921140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 2177280

約数和(自身を除く): 1256140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 79, 106, 110, 158, 212, 220, 265, 316, 395, 530, 583, 790, 869, 1060, 1166, 1580, 1738, 2332, 2915, 3476, 4187, 4345, 5830, 8374, 8690, 11660, 16748, 17380, 20935, 41870, 46057, 83740, 92114, 184228, 230285, 460570, 921140]

約数ペア:

[(1, 921140), (2, 460570), (4, 230285), (5, 184228), (10, 92114), (11, 83740), (20, 46057), (22, 41870), (44, 20935), (53, 17380), (55, 16748), (79, 11660), (106, 8690), (110, 8374), (158, 5830), (212, 4345), (220, 4187), (265, 3476), (316, 2915), (395, 2332), (530, 1738), (583, 1580), (790, 1166), (869, 1060)]