201997660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{1217}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 436667616

約数和(自身を除く): 234669956

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 193, 215, 386, 430, 772, 860, 965, 1217, 1930, 2434, 3860, 4868, 6085, 8299, 12170, 16598, 24340, 33196, 41495, 52331, 82990, 104662, 165980, 209324, 234881, 261655, 469762, 523310, 939524, 1046620, 1174405, 2348810, 4697620, 10099883, 20199766, 40399532, 50499415, 100998830, 201997660]

約数ペア:

[(1, 201997660), (2, 100998830), (4, 50499415), (5, 40399532), (10, 20199766), (20, 10099883), (43, 4697620), (86, 2348810), (172, 1174405), (193, 1046620), (215, 939524), (386, 523310), (430, 469762), (772, 261655), (860, 234881), (965, 209324), (1217, 165980), (1930, 104662), (2434, 82990), (3860, 52331), (4868, 41495), (6085, 33196), (8299, 24340), (12170, 16598)]