236460440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137477}}^1$

素因数の和:137531

約数の個数: 32

約数和(自身を含む): 544412880

約数和(自身を除く): 307952440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 137477, 274954, 549908, 687385, 1099816, 1374770, 2749540, 5499080, 5911511, 11823022, 23646044, 29557555, 47292088, 59115110, 118230220, 236460440]

約数ペア:

[(1, 236460440), (2, 118230220), (4, 59115110), (5, 47292088), (8, 29557555), (10, 23646044), (20, 11823022), (40, 5911511), (43, 5499080), (86, 2749540), (172, 1374770), (215, 1099816), (344, 687385), (430, 549908), (860, 274954), (1720, 137477)]