28109830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{57367}}^1$

素因数の和:57388

約数の個数: 24

約数和(自身を含む): 58859568

約数和(自身を除く): 30749738

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 57367, 114734, 286835, 401569, 573670, 803138, 2007845, 2810983, 4015690, 5621966, 14054915, 28109830]

約数ペア:

[(1, 28109830), (2, 14054915), (5, 5621966), (7, 4015690), (10, 2810983), (14, 2007845), (35, 803138), (49, 573670), (70, 401569), (98, 286835), (245, 114734), (490, 57367)]