283056920

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{25183}}^1$

素因数の和:25475

約数の個数: 32

約数和(自身を含む): 639169920

約数和(自身を除く): 356113000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 11240, 25183, 50366, 100732, 125915, 201464, 251830, 503660, 1007320, 7076423, 14152846, 28305692, 35382115, 56611384, 70764230, 141528460, 283056920]

約数ペア:

[(1, 283056920), (2, 141528460), (4, 70764230), (5, 56611384), (8, 35382115), (10, 28305692), (20, 14152846), (40, 7076423), (281, 1007320), (562, 503660), (1124, 251830), (1405, 201464), (2248, 125915), (2810, 100732), (5620, 50366), (11240, 25183)]