669460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 1632960

約数和(自身を除く): 963500

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 179, 187, 220, 340, 358, 374, 716, 748, 895, 935, 1790, 1870, 1969, 3043, 3580, 3740, 3938, 6086, 7876, 9845, 12172, 15215, 19690, 30430, 33473, 39380, 60860, 66946, 133892, 167365, 334730, 669460]

約数ペア:

[(1, 669460), (2, 334730), (4, 167365), (5, 133892), (10, 66946), (11, 60860), (17, 39380), (20, 33473), (22, 30430), (34, 19690), (44, 15215), (55, 12172), (68, 9845), (85, 7876), (110, 6086), (170, 3938), (179, 3740), (187, 3580), (220, 3043), (340, 1969), (358, 1870), (374, 1790), (716, 935), (748, 895)]