251015790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{15817}}^1$

素因数の和:15873

約数の個数: 48

約数和(自身を含む): 629809488

約数和(自身を除く): 378793698

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 529, 690, 1058, 1587, 2645, 3174, 5290, 7935, 15817, 15870, 31634, 47451, 79085, 94902, 158170, 237255, 363791, 474510, 727582, 1091373, 1818955, 2182746, 3637910, 5456865, 8367193, 10913730, 16734386, 25101579, 41835965, 50203158, 83671930, 125507895, 251015790]

約数ペア:

[(1, 251015790), (2, 125507895), (3, 83671930), (5, 50203158), (6, 41835965), (10, 25101579), (15, 16734386), (23, 10913730), (30, 8367193), (46, 5456865), (69, 3637910), (115, 2182746), (138, 1818955), (230, 1091373), (345, 727582), (529, 474510), (690, 363791), (1058, 237255), (1587, 158170), (2645, 94902), (3174, 79085), (5290, 47451), (7935, 31634), (15817, 15870)]