38728760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{881}}^1$

素因数の和:1056

約数の個数: 64

約数和(自身を含む): 100336320

約数和(自身を除く): 61607560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 881, 1099, 1256, 1570, 1762, 2198, 3140, 3524, 4396, 4405, 5495, 6167, 6280, 7048, 8792, 8810, 10990, 12334, 17620, 21980, 24668, 30835, 35240, 43960, 49336, 61670, 123340, 138317, 246680, 276634, 553268, 691585, 968219, 1106536, 1383170, 1936438, 2766340, 3872876, 4841095, 5532680, 7745752, 9682190, 19364380, 38728760]

約数ペア:

[(1, 38728760), (2, 19364380), (4, 9682190), (5, 7745752), (7, 5532680), (8, 4841095), (10, 3872876), (14, 2766340), (20, 1936438), (28, 1383170), (35, 1106536), (40, 968219), (56, 691585), (70, 553268), (140, 276634), (157, 246680), (280, 138317), (314, 123340), (628, 61670), (785, 49336), (881, 43960), (1099, 35240), (1256, 30835), (1570, 24668), (1762, 21980), (2198, 17620), (3140, 12334), (3524, 10990), (4396, 8810), (4405, 8792), (5495, 7048), (6167, 6280)]