851180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 2013984

約数和(自身を除く): 1162804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 73, 106, 110, 146, 212, 220, 265, 292, 365, 530, 583, 730, 803, 1060, 1166, 1460, 1606, 2332, 2915, 3212, 3869, 4015, 5830, 7738, 8030, 11660, 15476, 16060, 19345, 38690, 42559, 77380, 85118, 170236, 212795, 425590, 851180]

約数ペア:

[(1, 851180), (2, 425590), (4, 212795), (5, 170236), (10, 85118), (11, 77380), (20, 42559), (22, 38690), (44, 19345), (53, 16060), (55, 15476), (73, 11660), (106, 8030), (110, 7738), (146, 5830), (212, 4015), (220, 3869), (265, 3212), (292, 2915), (365, 2332), (530, 1606), (583, 1460), (730, 1166), (803, 1060)]