313960360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1777}}^1$

素因数の和:2426

約数の個数: 64

約数和(自身を含む): 809061120

約数和(自身を除く): 495100760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 631, 1262, 1777, 2524, 3155, 3554, 4417, 5048, 6310, 7108, 8834, 8885, 12439, 12620, 14216, 17668, 17770, 22085, 24878, 25240, 35336, 35540, 44170, 49756, 62195, 71080, 88340, 99512, 124390, 176680, 248780, 497560, 1121287, 2242574, 4485148, 5606435, 7849009, 8970296, 11212870, 15698018, 22425740, 31396036, 39245045, 44851480, 62792072, 78490090, 156980180, 313960360]

約数ペア:

[(1, 313960360), (2, 156980180), (4, 78490090), (5, 62792072), (7, 44851480), (8, 39245045), (10, 31396036), (14, 22425740), (20, 15698018), (28, 11212870), (35, 8970296), (40, 7849009), (56, 5606435), (70, 4485148), (140, 2242574), (280, 1121287), (631, 497560), (1262, 248780), (1777, 176680), (2524, 124390), (3155, 99512), (3554, 88340), (4417, 71080), (5048, 62195), (6310, 49756), (7108, 44170), (8834, 35540), (8885, 35336), (12439, 25240), (12620, 24878), (14216, 22085), (17668, 17770)]