420073840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{228301}}^1$

素因数の和:228337

約数の個数: 40

約数和(自身を含む): 1019140128

約数和(自身を除く): 599066288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 228301, 456602, 913204, 1141505, 1826408, 2283010, 3652816, 4566020, 5250923, 9132040, 10501846, 18264080, 21003692, 26254615, 42007384, 52509230, 84014768, 105018460, 210036920, 420073840]

約数ペア:

[(1, 420073840), (2, 210036920), (4, 105018460), (5, 84014768), (8, 52509230), (10, 42007384), (16, 26254615), (20, 21003692), (23, 18264080), (40, 10501846), (46, 9132040), (80, 5250923), (92, 4566020), (115, 3652816), (184, 2283010), (230, 1826408), (368, 1141505), (460, 913204), (920, 456602), (1840, 228301)]