305855420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1176367}}^1$

素因数の和:1176389

約数の個数: 24

約数和(自身を含む): 691704384

約数和(自身を除く): 385848964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1176367, 2352734, 4705468, 5881835, 11763670, 15292771, 23527340, 30585542, 61171084, 76463855, 152927710, 305855420]

約数ペア:

[(1, 305855420), (2, 152927710), (4, 76463855), (5, 61171084), (10, 30585542), (13, 23527340), (20, 15292771), (26, 11763670), (52, 5881835), (65, 4705468), (130, 2352734), (260, 1176367)]