13746920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 34128000

約数和(自身を除く): 20381080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 199, 220, 314, 398, 440, 628, 785, 796, 995, 1256, 1570, 1592, 1727, 1990, 2189, 3140, 3454, 3980, 4378, 6280, 6908, 7960, 8635, 8756, 10945, 13816, 17270, 17512, 21890, 31243, 34540, 43780, 62486, 69080, 87560, 124972, 156215, 249944, 312430, 343673, 624860, 687346, 1249720, 1374692, 1718365, 2749384, 3436730, 6873460, 13746920]

約数ペア:

[(1, 13746920), (2, 6873460), (4, 3436730), (5, 2749384), (8, 1718365), (10, 1374692), (11, 1249720), (20, 687346), (22, 624860), (40, 343673), (44, 312430), (55, 249944), (88, 156215), (110, 124972), (157, 87560), (199, 69080), (220, 62486), (314, 43780), (398, 34540), (440, 31243), (628, 21890), (785, 17512), (796, 17270), (995, 13816), (1256, 10945), (1570, 8756), (1592, 8635), (1727, 7960), (1990, 6908), (2189, 6280), (3140, 4378), (3454, 3980)]