403428140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{12791}}^1$

素因数の和:12902

約数の個数: 48

約数和(自身を含む): 902603520

約数和(自身を除く): 499175380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 3154, 6308, 7885, 12791, 15770, 25582, 31540, 51164, 63955, 127910, 243029, 255820, 486058, 972116, 1061653, 1215145, 2123306, 2430290, 4246612, 4860580, 5308265, 10616530, 20171407, 21233060, 40342814, 80685628, 100857035, 201714070, 403428140]

約数ペア:

[(1, 403428140), (2, 201714070), (4, 100857035), (5, 80685628), (10, 40342814), (19, 21233060), (20, 20171407), (38, 10616530), (76, 5308265), (83, 4860580), (95, 4246612), (166, 2430290), (190, 2123306), (332, 1215145), (380, 1061653), (415, 972116), (830, 486058), (1577, 255820), (1660, 243029), (3154, 127910), (6308, 63955), (7885, 51164), (12791, 31540), (15770, 25582)]