69020875

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 109983744

約数和(自身を除く): 40962869

約数列:

[1, 5, 7, 11, 25, 35, 55, 71, 77, 101, 125, 175, 275, 355, 385, 497, 505, 707, 781, 875, 1111, 1375, 1775, 1925, 2485, 2525, 3535, 3905, 5467, 5555, 7171, 7777, 8875, 9625, 12425, 12625, 17675, 19525, 27335, 27775, 35855, 38885, 50197, 62125, 78881, 88375, 97625, 136675, 138875, 179275, 194425, 250985, 394405, 552167, 683375, 896375, 972125, 1254925, 1972025, 2760835, 6274625, 9860125, 13804175, 69020875]

約数ペア:

[(1, 69020875), (5, 13804175), (7, 9860125), (11, 6274625), (25, 2760835), (35, 1972025), (55, 1254925), (71, 972125), (77, 896375), (101, 683375), (125, 552167), (175, 394405), (275, 250985), (355, 194425), (385, 179275), (497, 138875), (505, 136675), (707, 97625), (781, 88375), (875, 78881), (1111, 62125), (1375, 50197), (1775, 38885), (1925, 35855), (2485, 27775), (2525, 27335), (3535, 19525), (3905, 17675), (5467, 12625), (5555, 12425), (7171, 9625), (7777, 8875)]