396804520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1417159}}^1$

素因数の和:1417177

約数の個数: 32

約数和(自身を含む): 1020355200

約数和(自身を除く): 623550680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1417159, 2834318, 5668636, 7085795, 9920113, 11337272, 14171590, 19840226, 28343180, 39680452, 49600565, 56686360, 79360904, 99201130, 198402260, 396804520]

約数ペア:

[(1, 396804520), (2, 198402260), (4, 99201130), (5, 79360904), (7, 56686360), (8, 49600565), (10, 39680452), (14, 28343180), (20, 19840226), (28, 14171590), (35, 11337272), (40, 9920113), (56, 7085795), (70, 5668636), (140, 2834318), (280, 1417159)]