31071320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{110969}}^1$

素因数の和:110987

約数の個数: 32

約数和(自身を含む): 79898400

約数和(自身を除く): 48827080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 110969, 221938, 443876, 554845, 776783, 887752, 1109690, 1553566, 2219380, 3107132, 3883915, 4438760, 6214264, 7767830, 15535660, 31071320]

約数ペア:

[(1, 31071320), (2, 15535660), (4, 7767830), (5, 6214264), (7, 4438760), (8, 3883915), (10, 3107132), (14, 2219380), (20, 1553566), (28, 1109690), (35, 887752), (40, 776783), (56, 554845), (70, 443876), (140, 221938), (280, 110969)]