219027680

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3347}}^1$

素因数の和:3771

約数の個数: 48

約数和(自身を含む): 518873040

約数和(自身を除く): 299845360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1636, 2045, 3272, 3347, 4090, 6544, 6694, 8180, 13088, 13388, 16360, 16735, 26776, 32720, 33470, 53552, 65440, 66940, 107104, 133880, 267760, 535520, 1368923, 2737846, 5475692, 6844615, 10951384, 13689230, 21902768, 27378460, 43805536, 54756920, 109513840, 219027680]

約数ペア:

[(1, 219027680), (2, 109513840), (4, 54756920), (5, 43805536), (8, 27378460), (10, 21902768), (16, 13689230), (20, 10951384), (32, 6844615), (40, 5475692), (80, 2737846), (160, 1368923), (409, 535520), (818, 267760), (1636, 133880), (2045, 107104), (3272, 66940), (3347, 65440), (4090, 53552), (6544, 33470), (6694, 32720), (8180, 26776), (13088, 16735), (13388, 16360)]