12912998420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{223331}}^1$

素因数の和:223413

約数の個数: 72

約数和(自身を含む): 32079408480

約数和(自身を除く): 19166410060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 413, 490, 590, 826, 980, 1180, 1652, 2065, 2891, 4130, 5782, 8260, 11564, 14455, 28910, 57820, 223331, 446662, 893324, 1116655, 1563317, 2233310, 3126634, 4466620, 6253268, 7816585, 10943219, 13176529, 15633170, 21886438, 26353058, 31266340, 43772876, 52706116, 54716095, 65882645, 92235703, 109432190, 131765290, 184471406, 218864380, 263530580, 368942812, 461178515, 645649921, 922357030, 1291299842, 1844714060, 2582599684, 3228249605, 6456499210, 12912998420]

約数ペア:

[(1, 12912998420), (2, 6456499210), (4, 3228249605), (5, 2582599684), (7, 1844714060), (10, 1291299842), (14, 922357030), (20, 645649921), (28, 461178515), (35, 368942812), (49, 263530580), (59, 218864380), (70, 184471406), (98, 131765290), (118, 109432190), (140, 92235703), (196, 65882645), (236, 54716095), (245, 52706116), (295, 43772876), (413, 31266340), (490, 26353058), (590, 21886438), (826, 15633170), (980, 13176529), (1180, 10943219), (1652, 7816585), (2065, 6253268), (2891, 4466620), (4130, 3126634), (5782, 2233310), (8260, 1563317), (11564, 1116655), (14455, 893324), (28910, 446662), (57820, 223331)]