129351710

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{1439}}^1$

素因数の和:1636

約数の個数: 32

約数和(自身を含む): 237945600

約数和(自身を除く): 108593890

約数列:

[1, 2, 5, 10, 89, 101, 178, 202, 445, 505, 890, 1010, 1439, 2878, 7195, 8989, 14390, 17978, 44945, 89890, 128071, 145339, 256142, 290678, 640355, 726695, 1280710, 1453390, 12935171, 25870342, 64675855, 129351710]

約数ペア:

[(1, 129351710), (2, 64675855), (5, 25870342), (10, 12935171), (89, 1453390), (101, 1280710), (178, 726695), (202, 640355), (445, 290678), (505, 256142), (890, 145339), (1010, 128071), (1439, 89890), (2878, 44945), (7195, 17978), (8989, 14390)]