66121730

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 120960000

約数和(自身を除く): 54838270

約数列:

[1, 2, 5, 10, 149, 199, 223, 298, 398, 446, 745, 995, 1115, 1490, 1990, 2230, 29651, 33227, 44377, 59302, 66454, 88754, 148255, 166135, 221885, 296510, 332270, 443770, 6612173, 13224346, 33060865, 66121730]

約数ペア:

[(1, 66121730), (2, 33060865), (5, 13224346), (10, 6612173), (149, 443770), (199, 332270), (223, 296510), (298, 221885), (398, 166135), (446, 148255), (745, 88754), (995, 66454), (1115, 59302), (1490, 44377), (1990, 33227), (2230, 29651)]