205123461125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{332251}}^1$

素因数の和:332726

約数の個数: 32

約数和(自身を含む): 279889084800

約数和(自身を除く): 74765623675

約数列:

[1, 5, 11, 25, 55, 125, 275, 449, 1375, 2245, 4939, 11225, 24695, 56125, 123475, 332251, 617375, 1661255, 3654761, 8306275, 18273805, 41531375, 91369025, 149180699, 456845125, 745903495, 1640987689, 3729517475, 8204938445, 18647587375, 41024692225, 205123461125]

約数ペア:

[(1, 205123461125), (5, 41024692225), (11, 18647587375), (25, 8204938445), (55, 3729517475), (125, 1640987689), (275, 745903495), (449, 456845125), (1375, 149180699), (2245, 91369025), (4939, 41531375), (11225, 18273805), (24695, 8306275), (56125, 3654761), (123475, 1661255), (332251, 617375)]