313506875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1533

約数の個数: 40

約数和(自身を含む): 441458688

約数和(自身を除く): 127951813

約数列:

[1, 5, 11, 25, 31, 55, 125, 155, 275, 341, 625, 775, 1375, 1471, 1705, 3875, 6875, 7355, 8525, 16181, 19375, 36775, 42625, 45601, 80905, 183875, 213125, 228005, 404525, 501611, 919375, 1140025, 2022625, 2508055, 5700125, 10113125, 12540275, 28500625, 62701375, 313506875]

約数ペア:

[(1, 313506875), (5, 62701375), (11, 28500625), (25, 12540275), (31, 10113125), (55, 5700125), (125, 2508055), (155, 2022625), (275, 1140025), (341, 919375), (625, 501611), (775, 404525), (1375, 228005), (1471, 213125), (1705, 183875), (3875, 80905), (6875, 45601), (7355, 42625), (8525, 36775), (16181, 19375)]