137445320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 321408000

約数和(自身を除く): 183962680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 199, 248, 310, 398, 557, 620, 796, 995, 1114, 1240, 1592, 1990, 2228, 2785, 3980, 4456, 5570, 6169, 7960, 11140, 12338, 17267, 22280, 24676, 30845, 34534, 49352, 61690, 69068, 86335, 110843, 123380, 138136, 172670, 221686, 246760, 345340, 443372, 554215, 690680, 886744, 1108430, 2216860, 3436133, 4433720, 6872266, 13744532, 17180665, 27489064, 34361330, 68722660, 137445320]

約数ペア:

[(1, 137445320), (2, 68722660), (4, 34361330), (5, 27489064), (8, 17180665), (10, 13744532), (20, 6872266), (31, 4433720), (40, 3436133), (62, 2216860), (124, 1108430), (155, 886744), (199, 690680), (248, 554215), (310, 443372), (398, 345340), (557, 246760), (620, 221686), (796, 172670), (995, 138136), (1114, 123380), (1240, 110843), (1592, 86335), (1990, 69068), (2228, 61690), (2785, 49352), (3980, 34534), (4456, 30845), (5570, 24676), (6169, 22280), (7960, 17267), (11140, 12338)]