387985360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{953}}^1$

素因数の和:1700

約数の個数: 80

約数和(自身を含む): 1033433856

約数和(自身を除く): 645448496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 727, 953, 1454, 1906, 2908, 3635, 3812, 4765, 5089, 5816, 6671, 7270, 7624, 9530, 10178, 11632, 13342, 14540, 15248, 19060, 20356, 25445, 26684, 29080, 33355, 38120, 40712, 50890, 53368, 58160, 66710, 76240, 81424, 101780, 106736, 133420, 203560, 266840, 407120, 533680, 692831, 1385662, 2771324, 3464155, 4849817, 5542648, 6928310, 9699634, 11085296, 13856620, 19399268, 24249085, 27713240, 38798536, 48498170, 55426480, 77597072, 96996340, 193992680, 387985360]

約数ペア:

[(1, 387985360), (2, 193992680), (4, 96996340), (5, 77597072), (7, 55426480), (8, 48498170), (10, 38798536), (14, 27713240), (16, 24249085), (20, 19399268), (28, 13856620), (35, 11085296), (40, 9699634), (56, 6928310), (70, 5542648), (80, 4849817), (112, 3464155), (140, 2771324), (280, 1385662), (560, 692831), (727, 533680), (953, 407120), (1454, 266840), (1906, 203560), (2908, 133420), (3635, 106736), (3812, 101780), (4765, 81424), (5089, 76240), (5816, 66710), (6671, 58160), (7270, 53368), (7624, 50890), (9530, 40712), (10178, 38120), (11632, 33355), (13342, 29080), (14540, 26684), (15248, 25445), (19060, 20356)]