201161720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{68891}}^1$

素因数の和:68975

約数の個数: 32

約数和(自身を含む): 458820720

約数和(自身を除く): 257659000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 68891, 137782, 275564, 344455, 551128, 688910, 1377820, 2755640, 5029043, 10058086, 20116172, 25145215, 40232344, 50290430, 100580860, 201161720]

約数ペア:

[(1, 201161720), (2, 100580860), (4, 50290430), (5, 40232344), (8, 25145215), (10, 20116172), (20, 10058086), (40, 5029043), (73, 2755640), (146, 1377820), (292, 688910), (365, 551128), (584, 344455), (730, 275564), (1460, 137782), (2920, 68891)]