197452160

素因数分解:

$2^7\times 5^1\times {\mathrm{308519}}^1$

素因数の和:308538

約数の個数: 32

約数和(自身を含む): 472035600

約数和(自身を除く): 274583440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 308519, 617038, 1234076, 1542595, 2468152, 3085190, 4936304, 6170380, 9872608, 12340760, 19745216, 24681520, 39490432, 49363040, 98726080, 197452160]

約数ペア:

[(1, 197452160), (2, 98726080), (4, 49363040), (5, 39490432), (8, 24681520), (10, 19745216), (16, 12340760), (20, 9872608), (32, 6170380), (40, 4936304), (64, 3085190), (80, 2468152), (128, 1542595), (160, 1234076), (320, 617038), (640, 308519)]