148919240

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{11971}}^1$

素因数の和:12293

約数の個数: 32

約数和(自身を含む): 336173760

約数和(自身を除く): 187254520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 11971, 12440, 23942, 47884, 59855, 95768, 119710, 239420, 478840, 3722981, 7445962, 14891924, 18614905, 29783848, 37229810, 74459620, 148919240]

約数ペア:

[(1, 148919240), (2, 74459620), (4, 37229810), (5, 29783848), (8, 18614905), (10, 14891924), (20, 7445962), (40, 3722981), (311, 478840), (622, 239420), (1244, 119710), (1555, 95768), (2488, 59855), (3110, 47884), (6220, 23942), (11971, 12440)]