73706875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 40

約数和(自身を含む): 102567168

約数和(自身を除く): 28860293

約数列:

[1, 5, 11, 25, 55, 71, 125, 151, 275, 355, 625, 755, 781, 1375, 1661, 1775, 3775, 3905, 6875, 8305, 8875, 10721, 18875, 19525, 41525, 44375, 53605, 94375, 97625, 117931, 207625, 268025, 488125, 589655, 1038125, 1340125, 2948275, 6700625, 14741375, 73706875]

約数ペア:

[(1, 73706875), (5, 14741375), (11, 6700625), (25, 2948275), (55, 1340125), (71, 1038125), (125, 589655), (151, 488125), (275, 268025), (355, 207625), (625, 117931), (755, 97625), (781, 94375), (1375, 53605), (1661, 44375), (1775, 41525), (3775, 19525), (3905, 18875), (6875, 10721), (8305, 8875)]