218635240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2221}}^1$

素因数の和:2362

約数の個数: 64

約数和(自身を含む): 518348160

約数和(自身を除く): 299712920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 107, 115, 184, 214, 230, 428, 460, 535, 856, 920, 1070, 2140, 2221, 2461, 4280, 4442, 4922, 8884, 9844, 11105, 12305, 17768, 19688, 22210, 24610, 44420, 49220, 51083, 88840, 98440, 102166, 204332, 237647, 255415, 408664, 475294, 510830, 950588, 1021660, 1188235, 1901176, 2043320, 2376470, 4752940, 5465881, 9505880, 10931762, 21863524, 27329405, 43727048, 54658810, 109317620, 218635240]

約数ペア:

[(1, 218635240), (2, 109317620), (4, 54658810), (5, 43727048), (8, 27329405), (10, 21863524), (20, 10931762), (23, 9505880), (40, 5465881), (46, 4752940), (92, 2376470), (107, 2043320), (115, 1901176), (184, 1188235), (214, 1021660), (230, 950588), (428, 510830), (460, 475294), (535, 408664), (856, 255415), (920, 237647), (1070, 204332), (2140, 102166), (2221, 98440), (2461, 88840), (4280, 51083), (4442, 49220), (4922, 44420), (8884, 24610), (9844, 22210), (11105, 19688), (12305, 17768)]