396161090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 798336000

約数和(自身を除く): 402174910

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 197, 310, 394, 403, 499, 806, 985, 998, 1970, 2015, 2495, 2561, 4030, 4990, 5122, 6107, 6487, 12214, 12805, 12974, 15469, 25610, 30535, 30938, 32435, 61070, 64870, 77345, 79391, 98303, 154690, 158782, 196606, 201097, 396955, 402194, 491515, 793910, 983030, 1005485, 1277939, 2010970, 2555878, 3047393, 6094786, 6389695, 12779390, 15236965, 30473930, 39616109, 79232218, 198080545, 396161090]

約数ペア:

[(1, 396161090), (2, 198080545), (5, 79232218), (10, 39616109), (13, 30473930), (26, 15236965), (31, 12779390), (62, 6389695), (65, 6094786), (130, 3047393), (155, 2555878), (197, 2010970), (310, 1277939), (394, 1005485), (403, 983030), (499, 793910), (806, 491515), (985, 402194), (998, 396955), (1970, 201097), (2015, 196606), (2495, 158782), (2561, 154690), (4030, 98303), (4990, 79391), (5122, 77345), (6107, 64870), (6487, 61070), (12214, 32435), (12805, 30938), (12974, 30535), (15469, 25610)]