290499748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{11939}}^1$

素因数の和:12040

約数の個数: 48

約数和(自身を含む): 641894400

約数和(自身を除く): 351394652

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 79, 154, 158, 308, 316, 553, 869, 1106, 1738, 2212, 3476, 6083, 11939, 12166, 23878, 24332, 47756, 83573, 131329, 167146, 262658, 334292, 525316, 919303, 943181, 1838606, 1886362, 3677212, 3772724, 6602267, 10374991, 13204534, 20749982, 26409068, 41499964, 72624937, 145249874, 290499748]

約数ペア:

[(1, 290499748), (2, 145249874), (4, 72624937), (7, 41499964), (11, 26409068), (14, 20749982), (22, 13204534), (28, 10374991), (44, 6602267), (77, 3772724), (79, 3677212), (154, 1886362), (158, 1838606), (308, 943181), (316, 919303), (553, 525316), (869, 334292), (1106, 262658), (1738, 167146), (2212, 131329), (3476, 83573), (6083, 47756), (11939, 24332), (12166, 23878)]