161355460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{3041}}^1$

素因数の和:3436

約数の個数: 48

約数和(自身を含む): 388402560

約数和(自身を除く): 227047100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 379, 758, 1516, 1895, 2653, 3041, 3790, 5306, 6082, 7580, 10612, 12164, 13265, 15205, 21287, 26530, 30410, 42574, 53060, 60820, 85148, 106435, 212870, 425740, 1152539, 2305078, 4610156, 5762695, 8067773, 11525390, 16135546, 23050780, 32271092, 40338865, 80677730, 161355460]

約数ペア:

[(1, 161355460), (2, 80677730), (4, 40338865), (5, 32271092), (7, 23050780), (10, 16135546), (14, 11525390), (20, 8067773), (28, 5762695), (35, 4610156), (70, 2305078), (140, 1152539), (379, 425740), (758, 212870), (1516, 106435), (1895, 85148), (2653, 60820), (3041, 53060), (3790, 42574), (5306, 30410), (6082, 26530), (7580, 21287), (10612, 15205), (12164, 13265)]