202104400

素因数分解:

$2^4\times 5^2\times {\mathrm{199}}^1\times {\mathrm{2539}}^1$

素因数の和:2756

約数の個数: 60

約数和(自身を含む): 488188000

約数和(自身を除く): 286083600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 199, 200, 398, 400, 796, 995, 1592, 1990, 2539, 3184, 3980, 4975, 5078, 7960, 9950, 10156, 12695, 15920, 19900, 20312, 25390, 39800, 40624, 50780, 63475, 79600, 101560, 126950, 203120, 253900, 505261, 507800, 1010522, 1015600, 2021044, 2526305, 4042088, 5052610, 8084176, 10105220, 12631525, 20210440, 25263050, 40420880, 50526100, 101052200, 202104400]

約数ペア:

[(1, 202104400), (2, 101052200), (4, 50526100), (5, 40420880), (8, 25263050), (10, 20210440), (16, 12631525), (20, 10105220), (25, 8084176), (40, 5052610), (50, 4042088), (80, 2526305), (100, 2021044), (199, 1015600), (200, 1010522), (398, 507800), (400, 505261), (796, 253900), (995, 203120), (1592, 126950), (1990, 101560), (2539, 79600), (3184, 63475), (3980, 50780), (4975, 40624), (5078, 39800), (7960, 25390), (9950, 20312), (10156, 19900), (12695, 15920)]