218762960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11071}}^1$

素因数の和:11116

約数の個数: 80

約数和(自身を含む): 576629760

約数和(自身を除く): 357866800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 11071, 19760, 22142, 44284, 55355, 88568, 110710, 143923, 177136, 210349, 221420, 287846, 420698, 442840, 575692, 719615, 841396, 885680, 1051745, 1151384, 1439230, 1682792, 2103490, 2302768, 2734537, 2878460, 3365584, 4206980, 5469074, 5756920, 8413960, 10938148, 11513840, 13672685, 16827920, 21876296, 27345370, 43752592, 54690740, 109381480, 218762960]

約数ペア:

[(1, 218762960), (2, 109381480), (4, 54690740), (5, 43752592), (8, 27345370), (10, 21876296), (13, 16827920), (16, 13672685), (19, 11513840), (20, 10938148), (26, 8413960), (38, 5756920), (40, 5469074), (52, 4206980), (65, 3365584), (76, 2878460), (80, 2734537), (95, 2302768), (104, 2103490), (130, 1682792), (152, 1439230), (190, 1151384), (208, 1051745), (247, 885680), (260, 841396), (304, 719615), (380, 575692), (494, 442840), (520, 420698), (760, 287846), (988, 221420), (1040, 210349), (1235, 177136), (1520, 143923), (1976, 110710), (2470, 88568), (3952, 55355), (4940, 44284), (9880, 22142), (11071, 19760)]