204066520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{728809}}^1$

素因数の和:728827

約数の個数: 32

約数和(自身を含む): 524743200

約数和(自身を除く): 320676680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 728809, 1457618, 2915236, 3644045, 5101663, 5830472, 7288090, 10203326, 14576180, 20406652, 25508315, 29152360, 40813304, 51016630, 102033260, 204066520]

約数ペア:

[(1, 204066520), (2, 102033260), (4, 51016630), (5, 40813304), (7, 29152360), (8, 25508315), (10, 20406652), (14, 14576180), (20, 10203326), (28, 7288090), (35, 5830472), (40, 5101663), (56, 3644045), (70, 2915236), (140, 1457618), (280, 728809)]