493389680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1543}}^1$

素因数の和:2134

約数の個数: 80

約数和(自身を含む): 1314153984

約数和(自身を除く): 820764304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 571, 1142, 1543, 2284, 2855, 3086, 3997, 4568, 5710, 6172, 7715, 7994, 9136, 10801, 11420, 12344, 15430, 15988, 19985, 21602, 22840, 24688, 30860, 31976, 39970, 43204, 45680, 54005, 61720, 63952, 79940, 86408, 108010, 123440, 159880, 172816, 216020, 319760, 432040, 864080, 881053, 1762106, 3524212, 4405265, 6167371, 7048424, 8810530, 12334742, 14096848, 17621060, 24669484, 30836855, 35242120, 49338968, 61673710, 70484240, 98677936, 123347420, 246694840, 493389680]

約数ペア:

[(1, 493389680), (2, 246694840), (4, 123347420), (5, 98677936), (7, 70484240), (8, 61673710), (10, 49338968), (14, 35242120), (16, 30836855), (20, 24669484), (28, 17621060), (35, 14096848), (40, 12334742), (56, 8810530), (70, 7048424), (80, 6167371), (112, 4405265), (140, 3524212), (280, 1762106), (560, 881053), (571, 864080), (1142, 432040), (1543, 319760), (2284, 216020), (2855, 172816), (3086, 159880), (3997, 123440), (4568, 108010), (5710, 86408), (6172, 79940), (7715, 63952), (7994, 61720), (9136, 54005), (10801, 45680), (11420, 43204), (12344, 39970), (15430, 31976), (15988, 30860), (19985, 24688), (21602, 22840)]