1900155500

素因数分解:

$2^2\times 5^3\times {\mathrm{947}}^1\times {\mathrm{4013}}^1$

素因数の和:4979

約数の個数: 48

約数和(自身を含む): 4155357024

約数和(自身を除く): 2255201524

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 947, 1894, 3788, 4013, 4735, 8026, 9470, 16052, 18940, 20065, 23675, 40130, 47350, 80260, 94700, 100325, 118375, 200650, 236750, 401300, 473500, 501625, 1003250, 2006500, 3800311, 7600622, 15201244, 19001555, 38003110, 76006220, 95007775, 190015550, 380031100, 475038875, 950077750, 1900155500]

約数ペア:

[(1, 1900155500), (2, 950077750), (4, 475038875), (5, 380031100), (10, 190015550), (20, 95007775), (25, 76006220), (50, 38003110), (100, 19001555), (125, 15201244), (250, 7600622), (500, 3800311), (947, 2006500), (1894, 1003250), (3788, 501625), (4013, 473500), (4735, 401300), (8026, 236750), (9470, 200650), (16052, 118375), (18940, 100325), (20065, 94700), (23675, 80260), (40130, 47350)]