2017243625

素因数分解:

$5^3\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 2695779840

約数和(自身を除く): 678536215

約数列:

[1, 5, 25, 29, 31, 125, 145, 155, 619, 725, 775, 841, 899, 3095, 3625, 3875, 4205, 4495, 15475, 17951, 19189, 21025, 22475, 26071, 77375, 89755, 95945, 105125, 112375, 130355, 448775, 479725, 520579, 556481, 651775, 2243875, 2398625, 2602895, 2782405, 3258875, 13014475, 13912025, 16137949, 65072375, 69560125, 80689745, 403448725, 2017243625]

約数ペア:

[(1, 2017243625), (5, 403448725), (25, 80689745), (29, 69560125), (31, 65072375), (125, 16137949), (145, 13912025), (155, 13014475), (619, 3258875), (725, 2782405), (775, 2602895), (841, 2398625), (899, 2243875), (3095, 651775), (3625, 556481), (3875, 520579), (4205, 479725), (4495, 448775), (15475, 130355), (17951, 112375), (19189, 105125), (21025, 95945), (22475, 89755), (26071, 77375)]