57137540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 128768640

約数和(自身を除く): 71631100

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 79, 86, 116, 145, 158, 172, 215, 290, 316, 395, 430, 580, 790, 841, 860, 1247, 1580, 1682, 2291, 2494, 3364, 3397, 4205, 4582, 4988, 6235, 6794, 8410, 9164, 11455, 12470, 13588, 16820, 16985, 22910, 24940, 33970, 36163, 45820, 66439, 67940, 72326, 98513, 132878, 144652, 180815, 197026, 265756, 332195, 361630, 394052, 492565, 664390, 723260, 985130, 1328780, 1970260, 2856877, 5713754, 11427508, 14284385, 28568770, 57137540]

約数ペア:

[(1, 57137540), (2, 28568770), (4, 14284385), (5, 11427508), (10, 5713754), (20, 2856877), (29, 1970260), (43, 1328780), (58, 985130), (79, 723260), (86, 664390), (116, 492565), (145, 394052), (158, 361630), (172, 332195), (215, 265756), (290, 197026), (316, 180815), (395, 144652), (430, 132878), (580, 98513), (790, 72326), (841, 67940), (860, 66439), (1247, 45820), (1580, 36163), (1682, 33970), (2291, 24940), (2494, 22910), (3364, 16985), (3397, 16820), (4205, 13588), (4582, 12470), (4988, 11455), (6235, 9164), (6794, 8410)]