149500520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{287501}}^1$

素因数の和:287525

約数の個数: 32

約数和(自身を含む): 362252520

約数和(自身を除く): 212752000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 287501, 575002, 1150004, 1437505, 2300008, 2875010, 3737513, 5750020, 7475026, 11500040, 14950052, 18687565, 29900104, 37375130, 74750260, 149500520]

約数ペア:

[(1, 149500520), (2, 74750260), (4, 37375130), (5, 29900104), (8, 18687565), (10, 14950052), (13, 11500040), (20, 7475026), (26, 5750020), (40, 3737513), (52, 2875010), (65, 2300008), (104, 1437505), (130, 1150004), (260, 575002), (520, 287501)]