215279375

素因数分解:

$5^4\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:237

約数の個数: 40

約数和(自身を含む): 281047536

約数和(自身を除く): 65768161

約数列:

[1, 5, 25, 53, 67, 97, 125, 265, 335, 485, 625, 1325, 1675, 2425, 3551, 5141, 6499, 6625, 8375, 12125, 17755, 25705, 32495, 33125, 41875, 60625, 88775, 128525, 162475, 344447, 443875, 642625, 812375, 1722235, 2219375, 3213125, 4061875, 8611175, 43055875, 215279375]

約数ペア:

[(1, 215279375), (5, 43055875), (25, 8611175), (53, 4061875), (67, 3213125), (97, 2219375), (125, 1722235), (265, 812375), (335, 642625), (485, 443875), (625, 344447), (1325, 162475), (1675, 128525), (2425, 88775), (3551, 60625), (5141, 41875), (6499, 33125), (6625, 32495), (8375, 25705), (12125, 17755)]