79209020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 185812704

約数和(自身を除く): 106603684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 121, 142, 220, 242, 284, 355, 461, 484, 605, 710, 781, 922, 1210, 1420, 1562, 1844, 2305, 2420, 3124, 3905, 4610, 5071, 7810, 8591, 9220, 10142, 15620, 17182, 20284, 25355, 32731, 34364, 42955, 50710, 55781, 65462, 85910, 101420, 111562, 130924, 163655, 171820, 223124, 278905, 327310, 360041, 557810, 654620, 720082, 1115620, 1440164, 1800205, 3600410, 3960451, 7200820, 7920902, 15841804, 19802255, 39604510, 79209020]

約数ペア:

[(1, 79209020), (2, 39604510), (4, 19802255), (5, 15841804), (10, 7920902), (11, 7200820), (20, 3960451), (22, 3600410), (44, 1800205), (55, 1440164), (71, 1115620), (110, 720082), (121, 654620), (142, 557810), (220, 360041), (242, 327310), (284, 278905), (355, 223124), (461, 171820), (484, 163655), (605, 130924), (710, 111562), (781, 101420), (922, 85910), (1210, 65462), (1420, 55781), (1562, 50710), (1844, 42955), (2305, 34364), (2420, 32731), (3124, 25355), (3905, 20284), (4610, 17182), (5071, 15620), (7810, 10142), (8591, 9220)]