239987500

素因数分解:

$2^2\times 5^5\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 534153312

約数和(自身を除く): 294165812

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 125, 146, 250, 263, 292, 365, 500, 526, 625, 730, 1052, 1250, 1315, 1460, 1825, 2500, 2630, 3125, 3650, 5260, 6250, 6575, 7300, 9125, 12500, 13150, 18250, 19199, 26300, 32875, 36500, 38398, 45625, 65750, 76796, 91250, 95995, 131500, 164375, 182500, 191990, 228125, 328750, 383980, 456250, 479975, 657500, 821875, 912500, 959950, 1643750, 1919900, 2399875, 3287500, 4799750, 9599500, 11999375, 23998750, 47997500, 59996875, 119993750, 239987500]

約数ペア:

[(1, 239987500), (2, 119993750), (4, 59996875), (5, 47997500), (10, 23998750), (20, 11999375), (25, 9599500), (50, 4799750), (73, 3287500), (100, 2399875), (125, 1919900), (146, 1643750), (250, 959950), (263, 912500), (292, 821875), (365, 657500), (500, 479975), (526, 456250), (625, 383980), (730, 328750), (1052, 228125), (1250, 191990), (1315, 182500), (1460, 164375), (1825, 131500), (2500, 95995), (2630, 91250), (3125, 76796), (3650, 65750), (5260, 45625), (6250, 38398), (6575, 36500), (7300, 32875), (9125, 26300), (12500, 19199), (13150, 18250)]