8420230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 19676160

約数和(自身を除く): 11255930

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 487, 494, 665, 910, 974, 1235, 1330, 1729, 2435, 2470, 3409, 3458, 4870, 6331, 6818, 8645, 9253, 12662, 17045, 17290, 18506, 31655, 34090, 44317, 46265, 63310, 64771, 88634, 92530, 120289, 129542, 221585, 240578, 323855, 443170, 601445, 647710, 842023, 1202890, 1684046, 4210115, 8420230]

約数ペア:

[(1, 8420230), (2, 4210115), (5, 1684046), (7, 1202890), (10, 842023), (13, 647710), (14, 601445), (19, 443170), (26, 323855), (35, 240578), (38, 221585), (65, 129542), (70, 120289), (91, 92530), (95, 88634), (130, 64771), (133, 63310), (182, 46265), (190, 44317), (247, 34090), (266, 31655), (455, 18506), (487, 17290), (494, 17045), (665, 12662), (910, 9253), (974, 8645), (1235, 6818), (1330, 6331), (1729, 4870), (2435, 3458), (2470, 3409)]