2204708900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{10909}}^1$

素因数の和:11013

約数の個数: 72

約数和(自身を含む): 5000096640

約数和(自身を除く): 2795387740

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 47, 50, 86, 94, 100, 172, 188, 215, 235, 430, 470, 860, 940, 1075, 1175, 2021, 2150, 2350, 4042, 4300, 4700, 8084, 10105, 10909, 20210, 21818, 40420, 43636, 50525, 54545, 101050, 109090, 202100, 218180, 272725, 469087, 512723, 545450, 938174, 1025446, 1090900, 1876348, 2050892, 2345435, 2563615, 4690870, 5127230, 9381740, 10254460, 11727175, 12818075, 22047089, 23454350, 25636150, 44094178, 46908700, 51272300, 88188356, 110235445, 220470890, 440941780, 551177225, 1102354450, 2204708900]

約数ペア:

[(1, 2204708900), (2, 1102354450), (4, 551177225), (5, 440941780), (10, 220470890), (20, 110235445), (25, 88188356), (43, 51272300), (47, 46908700), (50, 44094178), (86, 25636150), (94, 23454350), (100, 22047089), (172, 12818075), (188, 11727175), (215, 10254460), (235, 9381740), (430, 5127230), (470, 4690870), (860, 2563615), (940, 2345435), (1075, 2050892), (1175, 1876348), (2021, 1090900), (2150, 1025446), (2350, 938174), (4042, 545450), (4300, 512723), (4700, 469087), (8084, 272725), (10105, 218180), (10909, 202100), (20210, 109090), (21818, 101050), (40420, 54545), (43636, 50525)]