4647940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 10954944

約数和(自身を除く): 6307004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 571, 740, 814, 1142, 1628, 2035, 2284, 2855, 4070, 5710, 6281, 8140, 11420, 12562, 21127, 25124, 31405, 42254, 62810, 84508, 105635, 125620, 211270, 232397, 422540, 464794, 929588, 1161985, 2323970, 4647940]

約数ペア:

[(1, 4647940), (2, 2323970), (4, 1161985), (5, 929588), (10, 464794), (11, 422540), (20, 232397), (22, 211270), (37, 125620), (44, 105635), (55, 84508), (74, 62810), (110, 42254), (148, 31405), (185, 25124), (220, 21127), (370, 12562), (407, 11420), (571, 8140), (740, 6281), (814, 5710), (1142, 4070), (1628, 2855), (2035, 2284)]