499790668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{229}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 1017455600

約数和(自身を除く): 517664932

約数列:

[1, 2, 4, 13, 19, 26, 38, 47, 52, 76, 94, 188, 229, 247, 458, 494, 611, 893, 916, 988, 1222, 1786, 2209, 2444, 2977, 3572, 4351, 4418, 5954, 8702, 8836, 10763, 11609, 11908, 17404, 21526, 23218, 28717, 41971, 43052, 46436, 56563, 57434, 83942, 113126, 114868, 139919, 167884, 204497, 226252, 279838, 408994, 505861, 545623, 559676, 817988, 1011722, 1091246, 2023444, 2182492, 2658461, 5316922, 6576193, 9611359, 10633844, 13152386, 19222718, 26304772, 38445436, 124947667, 249895334, 499790668]

約数ペア:

[(1, 499790668), (2, 249895334), (4, 124947667), (13, 38445436), (19, 26304772), (26, 19222718), (38, 13152386), (47, 10633844), (52, 9611359), (76, 6576193), (94, 5316922), (188, 2658461), (229, 2182492), (247, 2023444), (458, 1091246), (494, 1011722), (611, 817988), (893, 559676), (916, 545623), (988, 505861), (1222, 408994), (1786, 279838), (2209, 226252), (2444, 204497), (2977, 167884), (3572, 139919), (4351, 114868), (4418, 113126), (5954, 83942), (8702, 57434), (8836, 56563), (10763, 46436), (11609, 43052), (11908, 41971), (17404, 28717), (21526, 23218)]