2147750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{71}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 4481568

約数和(自身を除く): 2333818

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 121, 125, 142, 242, 250, 275, 355, 550, 605, 710, 781, 1210, 1375, 1562, 1775, 2750, 3025, 3550, 3905, 6050, 7810, 8591, 8875, 15125, 17182, 17750, 19525, 30250, 39050, 42955, 85910, 97625, 195250, 214775, 429550, 1073875, 2147750]

約数ペア:

[(1, 2147750), (2, 1073875), (5, 429550), (10, 214775), (11, 195250), (22, 97625), (25, 85910), (50, 42955), (55, 39050), (71, 30250), (110, 19525), (121, 17750), (125, 17182), (142, 15125), (242, 8875), (250, 8591), (275, 7810), (355, 6050), (550, 3905), (605, 3550), (710, 3025), (781, 2750), (1210, 1775), (1375, 1562)]