397448730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{630871}}^1$

素因数の和:630891

約数の個数: 48

約数和(自身を含む): 1180992384

約数和(自身を除く): 783543654

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 630871, 1261742, 1892613, 3154355, 3785226, 4416097, 5677839, 6308710, 8832194, 9463065, 11355678, 13248291, 18926130, 22080485, 26496582, 28389195, 39744873, 44160970, 56778390, 66241455, 79489746, 132482910, 198724365, 397448730]

約数ペア:

[(1, 397448730), (2, 198724365), (3, 132482910), (5, 79489746), (6, 66241455), (7, 56778390), (9, 44160970), (10, 39744873), (14, 28389195), (15, 26496582), (18, 22080485), (21, 18926130), (30, 13248291), (35, 11355678), (42, 9463065), (45, 8832194), (63, 6308710), (70, 5677839), (90, 4416097), (105, 3785226), (126, 3154355), (210, 1892613), (315, 1261742), (630, 630871)]