521334920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{40351}}^1$

素因数の和:40398

約数の個数: 64

約数和(自身を含む): 1307404800

約数和(自身を除く): 786069880

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12920, 40351, 80702, 161404, 201755, 322808, 403510, 685967, 766669, 807020, 1371934, 1533338, 1614040, 2743868, 3066676, 3429835, 3833345, 5487736, 6133352, 6859670, 7666690, 13033373, 13719340, 15333380, 26066746, 27438680, 30666760, 52133492, 65166865, 104266984, 130333730, 260667460, 521334920]

約数ペア:

[(1, 521334920), (2, 260667460), (4, 130333730), (5, 104266984), (8, 65166865), (10, 52133492), (17, 30666760), (19, 27438680), (20, 26066746), (34, 15333380), (38, 13719340), (40, 13033373), (68, 7666690), (76, 6859670), (85, 6133352), (95, 5487736), (136, 3833345), (152, 3429835), (170, 3066676), (190, 2743868), (323, 1614040), (340, 1533338), (380, 1371934), (646, 807020), (680, 766669), (760, 685967), (1292, 403510), (1615, 322808), (2584, 201755), (3230, 161404), (6460, 80702), (12920, 40351)]