72963500

素因数分解:

$2^2\times 5^3\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2091

約数の個数: 48

約数和(自身を含む): 161616000

約数和(自身を除く): 88652500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 125, 146, 250, 292, 365, 500, 730, 1460, 1825, 1999, 3650, 3998, 7300, 7996, 9125, 9995, 18250, 19990, 36500, 39980, 49975, 99950, 145927, 199900, 249875, 291854, 499750, 583708, 729635, 999500, 1459270, 2918540, 3648175, 7296350, 14592700, 18240875, 36481750, 72963500]

約数ペア:

[(1, 72963500), (2, 36481750), (4, 18240875), (5, 14592700), (10, 7296350), (20, 3648175), (25, 2918540), (50, 1459270), (73, 999500), (100, 729635), (125, 583708), (146, 499750), (250, 291854), (292, 249875), (365, 199900), (500, 145927), (730, 99950), (1460, 49975), (1825, 39980), (1999, 36500), (3650, 19990), (3998, 18250), (7300, 9995), (7996, 9125)]