52777780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 123539976

約数和(自身を除く): 70762196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 121, 193, 220, 226, 242, 386, 452, 484, 565, 605, 772, 965, 1130, 1210, 1243, 1930, 2123, 2260, 2420, 2486, 3860, 4246, 4972, 6215, 8492, 10615, 12430, 13673, 21230, 21809, 23353, 24860, 27346, 42460, 43618, 46706, 54692, 68365, 87236, 93412, 109045, 116765, 136730, 218090, 233530, 239899, 273460, 436180, 467060, 479798, 959596, 1199495, 2398990, 2638889, 4797980, 5277778, 10555556, 13194445, 26388890, 52777780]

約数ペア:

[(1, 52777780), (2, 26388890), (4, 13194445), (5, 10555556), (10, 5277778), (11, 4797980), (20, 2638889), (22, 2398990), (44, 1199495), (55, 959596), (110, 479798), (113, 467060), (121, 436180), (193, 273460), (220, 239899), (226, 233530), (242, 218090), (386, 136730), (452, 116765), (484, 109045), (565, 93412), (605, 87236), (772, 68365), (965, 54692), (1130, 46706), (1210, 43618), (1243, 42460), (1930, 27346), (2123, 24860), (2260, 23353), (2420, 21809), (2486, 21230), (3860, 13673), (4246, 12430), (4972, 10615), (6215, 8492)]