9896020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 21909888

約数和(自身を除く): 12013868

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 311, 370, 430, 622, 740, 860, 1244, 1555, 1591, 3110, 3182, 6220, 6364, 7955, 11507, 13373, 15910, 23014, 26746, 31820, 46028, 53492, 57535, 66865, 115070, 133730, 230140, 267460, 494801, 989602, 1979204, 2474005, 4948010, 9896020]

約数ペア:

[(1, 9896020), (2, 4948010), (4, 2474005), (5, 1979204), (10, 989602), (20, 494801), (37, 267460), (43, 230140), (74, 133730), (86, 115070), (148, 66865), (172, 57535), (185, 53492), (215, 46028), (311, 31820), (370, 26746), (430, 23014), (622, 15910), (740, 13373), (860, 11507), (1244, 7955), (1555, 6364), (1591, 6220), (3110, 3182)]