71325625

素因数分解:

$5^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:188

約数の個数: 60

約数和(自身を含む): 110580228

約数和(自身を除く): 39254603

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 125, 137, 175, 245, 425, 595, 625, 685, 833, 875, 959, 1225, 2125, 2329, 2975, 3425, 4165, 4375, 4795, 6125, 6713, 10625, 11645, 14875, 16303, 17125, 20825, 23975, 30625, 33565, 58225, 74375, 81515, 85625, 104125, 114121, 119875, 167825, 291125, 407575, 520625, 570605, 599375, 839125, 1455625, 2037875, 2853025, 4195625, 10189375, 14265125, 71325625]

約数ペア:

[(1, 71325625), (5, 14265125), (7, 10189375), (17, 4195625), (25, 2853025), (35, 2037875), (49, 1455625), (85, 839125), (119, 599375), (125, 570605), (137, 520625), (175, 407575), (245, 291125), (425, 167825), (595, 119875), (625, 114121), (685, 104125), (833, 85625), (875, 81515), (959, 74375), (1225, 58225), (2125, 33565), (2329, 30625), (2975, 23975), (3425, 20825), (4165, 17125), (4375, 16303), (4795, 14875), (6125, 11645), (6713, 10625)]