201214280

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{68909}}^1$

素因数の和:68993

約数の個数: 32

約数和(自身を含む): 458940600

約数和(自身を除く): 257726320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 68909, 137818, 275636, 344545, 551272, 689090, 1378180, 2756360, 5030357, 10060714, 20121428, 25151785, 40242856, 50303570, 100607140, 201214280]

約数ペア:

[(1, 201214280), (2, 100607140), (4, 50303570), (5, 40242856), (8, 25151785), (10, 20121428), (20, 10060714), (40, 5030357), (73, 2756360), (146, 1378180), (292, 689090), (365, 551272), (584, 344545), (730, 275636), (1460, 137818), (2920, 68909)]