309035220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{396199}}^1$

素因数の和:396224

約数の個数: 48

約数和(自身を含む): 931862400

約数和(自身を除く): 622827180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 396199, 792398, 1188597, 1584796, 1980995, 2377194, 3961990, 4754388, 5150587, 5942985, 7923980, 10301174, 11885970, 15451761, 20602348, 23771940, 25752935, 30903522, 51505870, 61807044, 77258805, 103011740, 154517610, 309035220]

約数ペア:

[(1, 309035220), (2, 154517610), (3, 103011740), (4, 77258805), (5, 61807044), (6, 51505870), (10, 30903522), (12, 25752935), (13, 23771940), (15, 20602348), (20, 15451761), (26, 11885970), (30, 10301174), (39, 7923980), (52, 5942985), (60, 5150587), (65, 4754388), (78, 3961990), (130, 2377194), (156, 1980995), (195, 1584796), (260, 1188597), (390, 792398), (780, 396199)]