71653780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1021}}^1$

素因数の和:1081

約数の個数: 72

約数和(自身を含む): 171266760

約数和(自身を除く): 99612980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 290, 319, 484, 580, 605, 638, 1021, 1210, 1276, 1595, 2042, 2420, 3190, 3509, 4084, 5105, 6380, 7018, 10210, 11231, 14036, 17545, 20420, 22462, 29609, 35090, 44924, 56155, 59218, 70180, 112310, 118436, 123541, 148045, 224620, 247082, 296090, 325699, 494164, 592180, 617705, 651398, 1235410, 1302796, 1628495, 2470820, 3256990, 3582689, 6513980, 7165378, 14330756, 17913445, 35826890, 71653780]

約数ペア:

[(1, 71653780), (2, 35826890), (4, 17913445), (5, 14330756), (10, 7165378), (11, 6513980), (20, 3582689), (22, 3256990), (29, 2470820), (44, 1628495), (55, 1302796), (58, 1235410), (110, 651398), (116, 617705), (121, 592180), (145, 494164), (220, 325699), (242, 296090), (290, 247082), (319, 224620), (484, 148045), (580, 123541), (605, 118436), (638, 112310), (1021, 70180), (1210, 59218), (1276, 56155), (1595, 44924), (2042, 35090), (2420, 29609), (3190, 22462), (3509, 20420), (4084, 17545), (5105, 14036), (6380, 11231), (7018, 10210)]