280176875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:605

約数の個数: 40

約数和(自身を含む): 387326016

約数和(自身を除く): 107149141

約数列:

[1, 5, 11, 25, 55, 83, 125, 275, 415, 491, 625, 913, 1375, 2075, 2455, 4565, 5401, 6875, 10375, 12275, 22825, 27005, 40753, 51875, 61375, 114125, 135025, 203765, 306875, 448283, 570625, 675125, 1018825, 2241415, 3375625, 5094125, 11207075, 25470625, 56035375, 280176875]

約数ペア:

[(1, 280176875), (5, 56035375), (11, 25470625), (25, 11207075), (55, 5094125), (83, 3375625), (125, 2241415), (275, 1018825), (415, 675125), (491, 570625), (625, 448283), (913, 306875), (1375, 203765), (2075, 135025), (2455, 114125), (4565, 61375), (5401, 51875), (6875, 40753), (10375, 27005), (12275, 22825)]