217223840

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{23011}}^1$

素因数の和:23085

約数の個数: 48

約数和(自身を含む): 521912160

約数和(自身を除く): 304688320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 2360, 4720, 9440, 23011, 46022, 92044, 115055, 184088, 230110, 368176, 460220, 736352, 920440, 1357649, 1840880, 2715298, 3681760, 5430596, 6788245, 10861192, 13576490, 21722384, 27152980, 43444768, 54305960, 108611920, 217223840]

約数ペア:

[(1, 217223840), (2, 108611920), (4, 54305960), (5, 43444768), (8, 27152980), (10, 21722384), (16, 13576490), (20, 10861192), (32, 6788245), (40, 5430596), (59, 3681760), (80, 2715298), (118, 1840880), (160, 1357649), (236, 920440), (295, 736352), (472, 460220), (590, 368176), (944, 230110), (1180, 184088), (1888, 115055), (2360, 92044), (4720, 46022), (9440, 23011)]