859629080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1\times {\mathrm{617}}^1$

素因数の和:1260

約数の個数: 64

約数和(自身を含む): 1972507680

約数和(自身を除く): 1112878600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 571, 610, 617, 1142, 1220, 1234, 2284, 2440, 2468, 2855, 3085, 4568, 4936, 5710, 6170, 11420, 12340, 22840, 24680, 34831, 37637, 69662, 75274, 139324, 150548, 174155, 188185, 278648, 301096, 348310, 352307, 376370, 696620, 704614, 752740, 1393240, 1409228, 1505480, 1761535, 2818456, 3523070, 7046140, 14092280, 21490727, 42981454, 85962908, 107453635, 171925816, 214907270, 429814540, 859629080]

約数ペア:

[(1, 859629080), (2, 429814540), (4, 214907270), (5, 171925816), (8, 107453635), (10, 85962908), (20, 42981454), (40, 21490727), (61, 14092280), (122, 7046140), (244, 3523070), (305, 2818456), (488, 1761535), (571, 1505480), (610, 1409228), (617, 1393240), (1142, 752740), (1220, 704614), (1234, 696620), (2284, 376370), (2440, 352307), (2468, 348310), (2855, 301096), (3085, 278648), (4568, 188185), (4936, 174155), (5710, 150548), (6170, 139324), (11420, 75274), (12340, 69662), (22840, 37637), (24680, 34831)]