199996128

素因数分解:

$2^5\times 3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 240

約数和(自身を含む): 643991040

約数和(自身を除く): 443994912

約数列:

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

約数ペア:

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