28956500

素因数分解:

$2^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2045

約数の個数: 48

約数和(自身を含む): 65454480

約数和(自身を除く): 36497980

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 500, 580, 725, 1450, 1997, 2900, 3625, 3994, 7250, 7988, 9985, 14500, 19970, 39940, 49925, 57913, 99850, 115826, 199700, 231652, 249625, 289565, 499250, 579130, 998500, 1158260, 1447825, 2895650, 5791300, 7239125, 14478250, 28956500]

約数ペア:

[(1, 28956500), (2, 14478250), (4, 7239125), (5, 5791300), (10, 2895650), (20, 1447825), (25, 1158260), (29, 998500), (50, 579130), (58, 499250), (100, 289565), (116, 249625), (125, 231652), (145, 199700), (250, 115826), (290, 99850), (500, 57913), (580, 49925), (725, 39940), (1450, 19970), (1997, 14500), (2900, 9985), (3625, 7988), (3994, 7250)]