391961920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{751}}^1$

素因数の和:1008

約数の個数: 112

約数和(自身を含む): 1072700928

約数和(自身を除く): 680739008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 233, 280, 320, 448, 466, 560, 751, 932, 1120, 1165, 1502, 1631, 1864, 2240, 2330, 3004, 3262, 3728, 3755, 4660, 5257, 6008, 6524, 7456, 7510, 8155, 9320, 10514, 12016, 13048, 14912, 15020, 16310, 18640, 21028, 24032, 26096, 26285, 30040, 32620, 37280, 42056, 48064, 52192, 52570, 60080, 65240, 74560, 84112, 104384, 105140, 120160, 130480, 168224, 174983, 210280, 240320, 260960, 336448, 349966, 420560, 521920, 699932, 841120, 874915, 1224881, 1399864, 1682240, 1749830, 2449762, 2799728, 3499660, 4899524, 5599456, 6124405, 6999320, 9799048, 11198912, 12248810, 13998640, 19598096, 24497620, 27997280, 39196192, 48995240, 55994560, 78392384, 97990480, 195980960, 391961920]

約数ペア:

[(1, 391961920), (2, 195980960), (4, 97990480), (5, 78392384), (7, 55994560), (8, 48995240), (10, 39196192), (14, 27997280), (16, 24497620), (20, 19598096), (28, 13998640), (32, 12248810), (35, 11198912), (40, 9799048), (56, 6999320), (64, 6124405), (70, 5599456), (80, 4899524), (112, 3499660), (140, 2799728), (160, 2449762), (224, 1749830), (233, 1682240), (280, 1399864), (320, 1224881), (448, 874915), (466, 841120), (560, 699932), (751, 521920), (932, 420560), (1120, 349966), (1165, 336448), (1502, 260960), (1631, 240320), (1864, 210280), (2240, 174983), (2330, 168224), (3004, 130480), (3262, 120160), (3728, 105140), (3755, 104384), (4660, 84112), (5257, 74560), (6008, 65240), (6524, 60080), (7456, 52570), (7510, 52192), (8155, 48064), (9320, 42056), (10514, 37280), (12016, 32620), (13048, 30040), (14912, 26285), (15020, 26096), (16310, 24032), (18640, 21028)]