27861460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 66696840

約数和(自身を除く): 38835380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 290, 319, 397, 484, 580, 605, 638, 794, 1210, 1276, 1588, 1595, 1985, 2420, 3190, 3509, 3970, 4367, 6380, 7018, 7940, 8734, 11513, 14036, 17468, 17545, 21835, 23026, 35090, 43670, 46052, 48037, 57565, 70180, 87340, 96074, 115130, 126643, 192148, 230260, 240185, 253286, 480370, 506572, 633215, 960740, 1266430, 1393073, 2532860, 2786146, 5572292, 6965365, 13930730, 27861460]

約数ペア:

[(1, 27861460), (2, 13930730), (4, 6965365), (5, 5572292), (10, 2786146), (11, 2532860), (20, 1393073), (22, 1266430), (29, 960740), (44, 633215), (55, 506572), (58, 480370), (110, 253286), (116, 240185), (121, 230260), (145, 192148), (220, 126643), (242, 115130), (290, 96074), (319, 87340), (397, 70180), (484, 57565), (580, 48037), (605, 46052), (638, 43670), (794, 35090), (1210, 23026), (1276, 21835), (1588, 17545), (1595, 17468), (1985, 14036), (2420, 11513), (3190, 8734), (3509, 7940), (3970, 7018), (4367, 6380)]