30970520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{110609}}^1$

素因数の和:110627

約数の個数: 32

約数和(自身を含む): 79639200

約数和(自身を除く): 48668680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 110609, 221218, 442436, 553045, 774263, 884872, 1106090, 1548526, 2212180, 3097052, 3871315, 4424360, 6194104, 7742630, 15485260, 30970520]

約数ペア:

[(1, 30970520), (2, 15485260), (4, 7742630), (5, 6194104), (7, 4424360), (8, 3871315), (10, 3097052), (14, 2212180), (20, 1548526), (28, 1106090), (35, 884872), (40, 774263), (56, 553045), (70, 442436), (140, 221218), (280, 110609)]