225064420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1607603}}^1$

素因数の和:1607619

約数の個数: 24

約数和(自身を含む): 540154944

約数和(自身を除く): 315090524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1607603, 3215206, 6430412, 8038015, 11253221, 16076030, 22506442, 32152060, 45012884, 56266105, 112532210, 225064420]

約数ペア:

[(1, 225064420), (2, 112532210), (4, 56266105), (5, 45012884), (7, 32152060), (10, 22506442), (14, 16076030), (20, 11253221), (28, 8038015), (35, 6430412), (70, 3215206), (140, 1607603)]