1485220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 3503808

約数和(自身を除く): 2018588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 157, 172, 215, 220, 314, 430, 473, 628, 785, 860, 946, 1570, 1727, 1892, 2365, 3140, 3454, 4730, 6751, 6908, 8635, 9460, 13502, 17270, 27004, 33755, 34540, 67510, 74261, 135020, 148522, 297044, 371305, 742610, 1485220]

約数ペア:

[(1, 1485220), (2, 742610), (4, 371305), (5, 297044), (10, 148522), (11, 135020), (20, 74261), (22, 67510), (43, 34540), (44, 33755), (55, 27004), (86, 17270), (110, 13502), (157, 9460), (172, 8635), (215, 6908), (220, 6751), (314, 4730), (430, 3454), (473, 3140), (628, 2365), (785, 1892), (860, 1727), (946, 1570)]