1917966040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{44687}}^1$

素因数の和:44764

約数の個数: 64

約数和(自身を含む): 4584988800

約数和(自身を除く): 2667022760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 740, 1073, 1160, 1480, 2146, 4292, 5365, 8584, 10730, 21460, 42920, 44687, 89374, 178748, 223435, 357496, 446870, 893740, 1295923, 1653419, 1787480, 2591846, 3306838, 5183692, 6479615, 6613676, 8267095, 10367384, 12959230, 13227352, 16534190, 25918460, 33068380, 47949151, 51836920, 66136760, 95898302, 191796604, 239745755, 383593208, 479491510, 958983020, 1917966040]

約数ペア:

[(1, 1917966040), (2, 958983020), (4, 479491510), (5, 383593208), (8, 239745755), (10, 191796604), (20, 95898302), (29, 66136760), (37, 51836920), (40, 47949151), (58, 33068380), (74, 25918460), (116, 16534190), (145, 13227352), (148, 12959230), (185, 10367384), (232, 8267095), (290, 6613676), (296, 6479615), (370, 5183692), (580, 3306838), (740, 2591846), (1073, 1787480), (1160, 1653419), (1480, 1295923), (2146, 893740), (4292, 446870), (5365, 357496), (8584, 223435), (10730, 178748), (21460, 89374), (42920, 44687)]