225967540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 486630144

約数和(自身を除く): 260662604

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 421, 470, 571, 842, 940, 1142, 1684, 2105, 2284, 2855, 4210, 5710, 8420, 11420, 19787, 26837, 39574, 53674, 79148, 98935, 107348, 134185, 197870, 240391, 268370, 395740, 480782, 536740, 961564, 1201955, 2403910, 4807820, 11298377, 22596754, 45193508, 56491885, 112983770, 225967540]

約数ペア:

[(1, 225967540), (2, 112983770), (4, 56491885), (5, 45193508), (10, 22596754), (20, 11298377), (47, 4807820), (94, 2403910), (188, 1201955), (235, 961564), (421, 536740), (470, 480782), (571, 395740), (842, 268370), (940, 240391), (1142, 197870), (1684, 134185), (2105, 107348), (2284, 98935), (2855, 79148), (4210, 53674), (5710, 39574), (8420, 26837), (11420, 19787)]