7978780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 18337536

約数和(自身を除く): 10358756

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 757, 1054, 1514, 2108, 2635, 3028, 3785, 5270, 7570, 10540, 12869, 15140, 23467, 25738, 46934, 51476, 64345, 93868, 117335, 128690, 234670, 257380, 398939, 469340, 797878, 1595756, 1994695, 3989390, 7978780]

約数ペア:

[(1, 7978780), (2, 3989390), (4, 1994695), (5, 1595756), (10, 797878), (17, 469340), (20, 398939), (31, 257380), (34, 234670), (62, 128690), (68, 117335), (85, 93868), (124, 64345), (155, 51476), (170, 46934), (310, 25738), (340, 23467), (527, 15140), (620, 12869), (757, 10540), (1054, 7570), (1514, 5270), (2108, 3785), (2635, 3028)]