144983420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{102101}}^1$

素因数の和:102181

約数の個数: 24

約数和(自身を含む): 308756448

約数和(自身を除く): 163773028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 102101, 204202, 408404, 510505, 1021010, 2042020, 7249171, 14498342, 28996684, 36245855, 72491710, 144983420]

約数ペア:

[(1, 144983420), (2, 72491710), (4, 36245855), (5, 28996684), (10, 14498342), (20, 7249171), (71, 2042020), (142, 1021010), (284, 510505), (355, 408404), (710, 204202), (1420, 102101)]