397991328

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 288

約数和(自身を含む): 1318040640

約数和(自身を除く): 920049312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 49, 56, 57, 61, 73, 76, 84, 96, 98, 112, 114, 122, 133, 146, 147, 152, 168, 183, 196, 219, 224, 228, 244, 266, 292, 294, 304, 336, 366, 392, 399, 427, 438, 456, 488, 511, 532, 584, 588, 608, 672, 732, 784, 798, 854, 876, 912, 931, 976, 1022, 1064, 1159, 1168, 1176, 1281, 1387, 1464, 1533, 1568, 1596, 1708, 1752, 1824, 1862, 1952, 2044, 2128, 2318, 2336, 2352, 2562, 2774, 2793, 2928, 2989, 3066, 3192, 3416, 3477, 3504, 3577, 3724, 4088, 4161, 4256, 4453, 4636, 4704, 5124, 5548, 5586, 5856, 5978, 6132, 6384, 6832, 6954, 7008, 7154, 7448, 8113, 8176, 8322, 8906, 8967, 9272, 9709, 10248, 10731, 11096, 11172, 11956, 12264, 12768, 13359, 13664, 13908, 14308, 14896, 16226, 16352, 16644, 17812, 17934, 18544, 19418, 20496, 21462, 22192, 22344, 23912, 24339, 24528, 26718, 27816, 28616, 29127, 29792, 31171, 32452, 33288, 35624, 35868, 37088, 38836, 40992, 42924, 44384, 44688, 47824, 48678, 49056, 53436, 55632, 56791, 57232, 58254, 62342, 64904, 66576, 67963, 71248, 71736, 77672, 84607, 85848, 89376, 93513, 95648, 97356, 106872, 111264, 113582, 114464, 116508, 124684, 129808, 133152, 135926, 142496, 143472, 155344, 169214, 170373, 171696, 187026, 194712, 203889, 213744, 218197, 227164, 233016, 249368, 253821, 259616, 271852, 286944, 310688, 338428, 340746, 343392, 374052, 389424, 407778, 427488, 436394, 454328, 466032, 498736, 507642, 543704, 592249, 654591, 676856, 681492, 748104, 778848, 815556, 872788, 908656, 932064, 997472, 1015284, 1087408, 1184498, 1309182, 1353712, 1362984, 1496208, 1631112, 1745576, 1776747, 1817312, 2030568, 2174816, 2368996, 2618364, 2707424, 2725968, 2992416, 3262224, 3491152, 3553494, 4061136, 4145743, 4737992, 5236728, 5451936, 6524448, 6982304, 7106988, 8122272, 8291486, 9475984, 10473456, 12437229, 14213976, 16582972, 18951968, 20946912, 24874458, 28427952, 33165944, 49748916, 56855904, 66331888, 99497832, 132663776, 198995664, 397991328]

約数ペア:

[(1, 397991328), (2, 198995664), (3, 132663776), (4, 99497832), (6, 66331888), (7, 56855904), (8, 49748916), (12, 33165944), (14, 28427952), (16, 24874458), (19, 20946912), (21, 18951968), (24, 16582972), (28, 14213976), (32, 12437229), (38, 10473456), (42, 9475984), (48, 8291486), (49, 8122272), (56, 7106988), (57, 6982304), (61, 6524448), (73, 5451936), (76, 5236728), (84, 4737992), (96, 4145743), (98, 4061136), (112, 3553494), (114, 3491152), (122, 3262224), (133, 2992416), (146, 2725968), (147, 2707424), (152, 2618364), (168, 2368996), (183, 2174816), (196, 2030568), (219, 1817312), (224, 1776747), (228, 1745576), (244, 1631112), (266, 1496208), (292, 1362984), (294, 1353712), (304, 1309182), (336, 1184498), (366, 1087408), (392, 1015284), (399, 997472), (427, 932064), (438, 908656), (456, 872788), (488, 815556), (511, 778848), (532, 748104), (584, 681492), (588, 676856), (608, 654591), (672, 592249), (732, 543704), (784, 507642), (798, 498736), (854, 466032), (876, 454328), (912, 436394), (931, 427488), (976, 407778), (1022, 389424), (1064, 374052), (1159, 343392), (1168, 340746), (1176, 338428), (1281, 310688), (1387, 286944), (1464, 271852), (1533, 259616), (1568, 253821), (1596, 249368), (1708, 233016), (1752, 227164), (1824, 218197), (1862, 213744), (1952, 203889), (2044, 194712), (2128, 187026), (2318, 171696), (2336, 170373), (2352, 169214), (2562, 155344), (2774, 143472), (2793, 142496), (2928, 135926), (2989, 133152), (3066, 129808), (3192, 124684), (3416, 116508), (3477, 114464), (3504, 113582), (3577, 111264), (3724, 106872), (4088, 97356), (4161, 95648), (4256, 93513), (4453, 89376), (4636, 85848), (4704, 84607), (5124, 77672), (5548, 71736), (5586, 71248), (5856, 67963), (5978, 66576), (6132, 64904), (6384, 62342), (6832, 58254), (6954, 57232), (7008, 56791), (7154, 55632), (7448, 53436), (8113, 49056), (8176, 48678), (8322, 47824), (8906, 44688), (8967, 44384), (9272, 42924), (9709, 40992), (10248, 38836), (10731, 37088), (11096, 35868), (11172, 35624), (11956, 33288), (12264, 32452), (12768, 31171), (13359, 29792), (13664, 29127), (13908, 28616), (14308, 27816), (14896, 26718), (16226, 24528), (16352, 24339), (16644, 23912), (17812, 22344), (17934, 22192), (18544, 21462), (19418, 20496)]