4982780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 12065760

約数和(自身を除く): 7082980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 71, 110, 116, 121, 142, 145, 220, 242, 284, 290, 319, 355, 484, 580, 605, 638, 710, 781, 1210, 1276, 1420, 1562, 1595, 2059, 2420, 3124, 3190, 3509, 3905, 4118, 6380, 7018, 7810, 8236, 8591, 10295, 14036, 15620, 17182, 17545, 20590, 22649, 34364, 35090, 41180, 42955, 45298, 70180, 85910, 90596, 113245, 171820, 226490, 249139, 452980, 498278, 996556, 1245695, 2491390, 4982780]

約数ペア:

[(1, 4982780), (2, 2491390), (4, 1245695), (5, 996556), (10, 498278), (11, 452980), (20, 249139), (22, 226490), (29, 171820), (44, 113245), (55, 90596), (58, 85910), (71, 70180), (110, 45298), (116, 42955), (121, 41180), (142, 35090), (145, 34364), (220, 22649), (242, 20590), (284, 17545), (290, 17182), (319, 15620), (355, 14036), (484, 10295), (580, 8591), (605, 8236), (638, 7810), (710, 7018), (781, 6380), (1210, 4118), (1276, 3905), (1420, 3509), (1562, 3190), (1595, 3124), (2059, 2420)]