210207940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{571}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 449729280

約数和(自身を除く): 239521340

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 233, 316, 395, 466, 571, 790, 932, 1142, 1165, 1580, 2284, 2330, 2855, 4660, 5710, 11420, 18407, 36814, 45109, 73628, 90218, 92035, 133043, 180436, 184070, 225545, 266086, 368140, 451090, 532172, 665215, 902180, 1330430, 2660860, 10510397, 21020794, 42041588, 52551985, 105103970, 210207940]

約数ペア:

[(1, 210207940), (2, 105103970), (4, 52551985), (5, 42041588), (10, 21020794), (20, 10510397), (79, 2660860), (158, 1330430), (233, 902180), (316, 665215), (395, 532172), (466, 451090), (571, 368140), (790, 266086), (932, 225545), (1142, 184070), (1165, 180436), (1580, 133043), (2284, 92035), (2330, 90218), (2855, 73628), (4660, 45109), (5710, 36814), (11420, 18407)]