249925540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{204857}}^1$

素因数の和:204927

約数の個数: 24

約数和(自身を含む): 533450232

約数和(自身を除く): 283524692

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 204857, 409714, 819428, 1024285, 2048570, 4097140, 12496277, 24992554, 49985108, 62481385, 124962770, 249925540]

約数ペア:

[(1, 249925540), (2, 124962770), (4, 62481385), (5, 49985108), (10, 24992554), (20, 12496277), (61, 4097140), (122, 2048570), (244, 1024285), (305, 819428), (610, 409714), (1220, 204857)]