201228910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{2039}}^1$

素因数の和:2256

約数の個数: 32

約数和(自身を含む): 370137600

約数和(自身を除く): 168908690

約数列:

[1, 2, 5, 10, 71, 139, 142, 278, 355, 695, 710, 1390, 2039, 4078, 9869, 10195, 19738, 20390, 49345, 98690, 144769, 283421, 289538, 566842, 723845, 1417105, 1447690, 2834210, 20122891, 40245782, 100614455, 201228910]

約数ペア:

[(1, 201228910), (2, 100614455), (5, 40245782), (10, 20122891), (71, 2834210), (139, 1447690), (142, 1417105), (278, 723845), (355, 566842), (695, 289538), (710, 283421), (1390, 144769), (2039, 98690), (4078, 49345), (9869, 20390), (10195, 19738)]