12157420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{757}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 28270368

約数和(自身を除く): 16112948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 757, 803, 1460, 1514, 1606, 3028, 3212, 3785, 4015, 7570, 8030, 8327, 15140, 16060, 16654, 33308, 41635, 55261, 83270, 110522, 166540, 221044, 276305, 552610, 607871, 1105220, 1215742, 2431484, 3039355, 6078710, 12157420]

約数ペア:

[(1, 12157420), (2, 6078710), (4, 3039355), (5, 2431484), (10, 1215742), (11, 1105220), (20, 607871), (22, 552610), (44, 276305), (55, 221044), (73, 166540), (110, 110522), (146, 83270), (220, 55261), (292, 41635), (365, 33308), (730, 16654), (757, 16060), (803, 15140), (1460, 8327), (1514, 8030), (1606, 7570), (3028, 4015), (3212, 3785)]