261569007100

素因数分解:

$2^2\times 5^2\times {\mathrm{389}}^1\times {\mathrm{6724139}}^1$

素因数の和:6724542

約数の個数: 36

約数和(自身を含む): 569063968200

約数和(自身を除く): 307494961100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 389, 778, 1556, 1945, 3890, 7780, 9725, 19450, 38900, 6724139, 13448278, 26896556, 33620695, 67241390, 134482780, 168103475, 336206950, 672413900, 2615690071, 5231380142, 10462760284, 13078450355, 26156900710, 52313801420, 65392251775, 130784503550, 261569007100]

約数ペア:

[(1, 261569007100), (2, 130784503550), (4, 65392251775), (5, 52313801420), (10, 26156900710), (20, 13078450355), (25, 10462760284), (50, 5231380142), (100, 2615690071), (389, 672413900), (778, 336206950), (1556, 168103475), (1945, 134482780), (3890, 67241390), (7780, 33620695), (9725, 26896556), (19450, 13448278), (38900, 6724139)]