71351080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 170150400

約数和(自身を除く): 98799320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 223, 380, 421, 446, 760, 842, 892, 1115, 1684, 1784, 2105, 2230, 3368, 4210, 4237, 4460, 7999, 8420, 8474, 8920, 15998, 16840, 16948, 21185, 31996, 33896, 39995, 42370, 63992, 79990, 84740, 93883, 159980, 169480, 187766, 319960, 375532, 469415, 751064, 938830, 1783777, 1877660, 3567554, 3755320, 7135108, 8918885, 14270216, 17837770, 35675540, 71351080]

約数ペア:

[(1, 71351080), (2, 35675540), (4, 17837770), (5, 14270216), (8, 8918885), (10, 7135108), (19, 3755320), (20, 3567554), (38, 1877660), (40, 1783777), (76, 938830), (95, 751064), (152, 469415), (190, 375532), (223, 319960), (380, 187766), (421, 169480), (446, 159980), (760, 93883), (842, 84740), (892, 79990), (1115, 63992), (1684, 42370), (1784, 39995), (2105, 33896), (2230, 31996), (3368, 21185), (4210, 16948), (4237, 16840), (4460, 15998), (7999, 8920), (8420, 8474)]