399992256

素因数分解:

$2^6\times 3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 280

約数和(自身を含む): 1298204160

約数和(自身を除く): 898211904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 31, 32, 36, 38, 48, 54, 57, 62, 64, 72, 76, 81, 93, 96, 108, 114, 124, 131, 144, 152, 162, 171, 186, 192, 216, 228, 248, 262, 279, 288, 304, 324, 342, 372, 393, 432, 456, 496, 513, 524, 558, 576, 589, 608, 648, 684, 744, 786, 837, 864, 912, 992, 1026, 1048, 1116, 1178, 1179, 1216, 1296, 1368, 1488, 1539, 1572, 1674, 1728, 1767, 1824, 1984, 2052, 2096, 2232, 2356, 2358, 2489, 2511, 2592, 2736, 2976, 3078, 3144, 3348, 3534, 3537, 3648, 4061, 4104, 4192, 4464, 4712, 4716, 4978, 5022, 5184, 5301, 5472, 5952, 6156, 6288, 6696, 7068, 7074, 7467, 8122, 8208, 8384, 8928, 9424, 9432, 9956, 10044, 10602, 10611, 10944, 12183, 12312, 12576, 13392, 14136, 14148, 14934, 15903, 16244, 16416, 17856, 18848, 18864, 19912, 20088, 21204, 21222, 22401, 24366, 24624, 25152, 26784, 28272, 28296, 29868, 31806, 32488, 32832, 36549, 37696, 37728, 39824, 40176, 42408, 42444, 44802, 47709, 48732, 49248, 53568, 56544, 56592, 59736, 63612, 64976, 67203, 73098, 75456, 77159, 79648, 80352, 84816, 84888, 89604, 95418, 97464, 98496, 109647, 113088, 113184, 119472, 127224, 129952, 134406, 146196, 154318, 159296, 160704, 169632, 169776, 179208, 190836, 194928, 201609, 219294, 226368, 231477, 238944, 254448, 259904, 268812, 292392, 308636, 328941, 339264, 339552, 358416, 381672, 389856, 403218, 438588, 462954, 477888, 508896, 537624, 584784, 617272, 657882, 679104, 694431, 716832, 763344, 779712, 806436, 877176, 925908, 1017792, 1075248, 1169568, 1234544, 1315764, 1388862, 1433664, 1526688, 1612872, 1754352, 1851816, 2083293, 2150496, 2339136, 2469088, 2631528, 2777724, 3053376, 3225744, 3508704, 3703632, 4166586, 4300992, 4938176, 5263056, 5555448, 6249879, 6451488, 7017408, 7407264, 8333172, 10526112, 11110896, 12499758, 12902976, 14814528, 16666344, 21052224, 22221792, 24999516, 33332688, 44443584, 49999032, 66665376, 99998064, 133330752, 199996128, 399992256]

約数ペア:

[(1, 399992256), (2, 199996128), (3, 133330752), (4, 99998064), (6, 66665376), (8, 49999032), (9, 44443584), (12, 33332688), (16, 24999516), (18, 22221792), (19, 21052224), (24, 16666344), (27, 14814528), (31, 12902976), (32, 12499758), (36, 11110896), (38, 10526112), (48, 8333172), (54, 7407264), (57, 7017408), (62, 6451488), (64, 6249879), (72, 5555448), (76, 5263056), (81, 4938176), (93, 4300992), (96, 4166586), (108, 3703632), (114, 3508704), (124, 3225744), (131, 3053376), (144, 2777724), (152, 2631528), (162, 2469088), (171, 2339136), (186, 2150496), (192, 2083293), (216, 1851816), (228, 1754352), (248, 1612872), (262, 1526688), (279, 1433664), (288, 1388862), (304, 1315764), (324, 1234544), (342, 1169568), (372, 1075248), (393, 1017792), (432, 925908), (456, 877176), (496, 806436), (513, 779712), (524, 763344), (558, 716832), (576, 694431), (589, 679104), (608, 657882), (648, 617272), (684, 584784), (744, 537624), (786, 508896), (837, 477888), (864, 462954), (912, 438588), (992, 403218), (1026, 389856), (1048, 381672), (1116, 358416), (1178, 339552), (1179, 339264), (1216, 328941), (1296, 308636), (1368, 292392), (1488, 268812), (1539, 259904), (1572, 254448), (1674, 238944), (1728, 231477), (1767, 226368), (1824, 219294), (1984, 201609), (2052, 194928), (2096, 190836), (2232, 179208), (2356, 169776), (2358, 169632), (2489, 160704), (2511, 159296), (2592, 154318), (2736, 146196), (2976, 134406), (3078, 129952), (3144, 127224), (3348, 119472), (3534, 113184), (3537, 113088), (3648, 109647), (4061, 98496), (4104, 97464), (4192, 95418), (4464, 89604), (4712, 84888), (4716, 84816), (4978, 80352), (5022, 79648), (5184, 77159), (5301, 75456), (5472, 73098), (5952, 67203), (6156, 64976), (6288, 63612), (6696, 59736), (7068, 56592), (7074, 56544), (7467, 53568), (8122, 49248), (8208, 48732), (8384, 47709), (8928, 44802), (9424, 42444), (9432, 42408), (9956, 40176), (10044, 39824), (10602, 37728), (10611, 37696), (10944, 36549), (12183, 32832), (12312, 32488), (12576, 31806), (13392, 29868), (14136, 28296), (14148, 28272), (14934, 26784), (15903, 25152), (16244, 24624), (16416, 24366), (17856, 22401), (18848, 21222), (18864, 21204), (19912, 20088)]