802128980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{103}}^1\times {\mathrm{463}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 1765300992

約数和(自身を除く): 963172012

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 103, 116, 145, 206, 290, 412, 463, 515, 580, 841, 926, 1030, 1682, 1852, 2060, 2315, 2987, 3364, 4205, 4630, 5974, 8410, 9260, 11948, 13427, 14935, 16820, 26854, 29870, 47689, 53708, 59740, 67135, 86623, 95378, 134270, 173246, 190756, 238445, 268540, 346492, 389383, 433115, 476890, 778766, 866230, 953780, 1382981, 1557532, 1732460, 1946915, 2765962, 3893830, 5531924, 6914905, 7787660, 13829810, 27659620, 40106449, 80212898, 160425796, 200532245, 401064490, 802128980]

約数ペア:

[(1, 802128980), (2, 401064490), (4, 200532245), (5, 160425796), (10, 80212898), (20, 40106449), (29, 27659620), (58, 13829810), (103, 7787660), (116, 6914905), (145, 5531924), (206, 3893830), (290, 2765962), (412, 1946915), (463, 1732460), (515, 1557532), (580, 1382981), (841, 953780), (926, 866230), (1030, 778766), (1682, 476890), (1852, 433115), (2060, 389383), (2315, 346492), (2987, 268540), (3364, 238445), (4205, 190756), (4630, 173246), (5974, 134270), (8410, 95378), (9260, 86623), (11948, 67135), (13427, 59740), (14935, 53708), (16820, 47689), (26854, 29870)]