313644520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1120159}}^1$

素因数の和:1120177

約数の個数: 32

約数和(自身を含む): 806515200

約数和(自身を除く): 492870680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1120159, 2240318, 4480636, 5600795, 7841113, 8961272, 11201590, 15682226, 22403180, 31364452, 39205565, 44806360, 62728904, 78411130, 156822260, 313644520]

約数ペア:

[(1, 313644520), (2, 156822260), (4, 78411130), (5, 62728904), (7, 44806360), (8, 39205565), (10, 31364452), (14, 22403180), (20, 15682226), (28, 11201590), (35, 8961272), (40, 7841113), (56, 5600795), (70, 4480636), (140, 2240318), (280, 1120159)]