225711500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{64489}}^1$

素因数の和:64515

約数の個数: 48

約数和(自身を含む): 563384640

約数和(自身を除く): 337673140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 64489, 128978, 257956, 322445, 451423, 644890, 902846, 1289780, 1612225, 1805692, 2257115, 3224450, 4514230, 6448900, 8061125, 9028460, 11285575, 16122250, 22571150, 32244500, 45142300, 56427875, 112855750, 225711500]

約数ペア:

[(1, 225711500), (2, 112855750), (4, 56427875), (5, 45142300), (7, 32244500), (10, 22571150), (14, 16122250), (20, 11285575), (25, 9028460), (28, 8061125), (35, 6448900), (50, 4514230), (70, 3224450), (100, 2257115), (125, 1805692), (140, 1612225), (175, 1289780), (250, 902846), (350, 644890), (500, 451423), (700, 322445), (875, 257956), (1750, 128978), (3500, 64489)]