1380243025

素因数分解:

$5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{26203}}^1$

素因数の和:26270

約数の個数: 36

約数和(自身を含む): 2037308592

約数和(自身を除く): 657065567

約数列:

[1, 5, 7, 25, 35, 43, 49, 175, 215, 245, 301, 1075, 1225, 1505, 2107, 7525, 10535, 26203, 52675, 131015, 183421, 655075, 917105, 1126729, 1283947, 4585525, 5633645, 6419735, 7887103, 28168225, 32098675, 39435515, 55209721, 197177575, 276048605, 1380243025]

約数ペア:

[(1, 1380243025), (5, 276048605), (7, 197177575), (25, 55209721), (35, 39435515), (43, 32098675), (49, 28168225), (175, 7887103), (215, 6419735), (245, 5633645), (301, 4585525), (1075, 1283947), (1225, 1126729), (1505, 917105), (2107, 655075), (7525, 183421), (10535, 131015), (26203, 52675)]