203429320

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{24103}}^1$

素因数の和:24325

約数の個数: 32

約数和(自身を含む): 459904320

約数和(自身を除く): 256475000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 24103, 48206, 96412, 120515, 192824, 241030, 482060, 964120, 5085733, 10171466, 20342932, 25428665, 40685864, 50857330, 101714660, 203429320]

約数ペア:

[(1, 203429320), (2, 101714660), (4, 50857330), (5, 40685864), (8, 25428665), (10, 20342932), (20, 10171466), (40, 5085733), (211, 964120), (422, 482060), (844, 241030), (1055, 192824), (1688, 120515), (2110, 96412), (4220, 48206), (8440, 24103)]