57521660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2617}}^1$

素因数の和:2790

約数の個数: 48

約数和(自身を含む): 138984384

約数和(自身を除く): 81462724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 2617, 3140, 4396, 5234, 5495, 10468, 10990, 13085, 18319, 21980, 26170, 36638, 52340, 73276, 91595, 183190, 366380, 410869, 821738, 1643476, 2054345, 2876083, 4108690, 5752166, 8217380, 11504332, 14380415, 28760830, 57521660]

約数ペア:

[(1, 57521660), (2, 28760830), (4, 14380415), (5, 11504332), (7, 8217380), (10, 5752166), (14, 4108690), (20, 2876083), (28, 2054345), (35, 1643476), (70, 821738), (140, 410869), (157, 366380), (314, 183190), (628, 91595), (785, 73276), (1099, 52340), (1570, 36638), (2198, 26170), (2617, 21980), (3140, 18319), (4396, 13085), (5234, 10990), (5495, 10468)]