308988080

素因数分解:

$2^4\times 5^1\times {\mathrm{631}}^1\times {\mathrm{6121}}^1$

素因数の和:6765

約数の個数: 40

約数和(自身を含む): 719653344

約数和(自身を除く): 410665264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 631, 1262, 2524, 3155, 5048, 6121, 6310, 10096, 12242, 12620, 24484, 25240, 30605, 48968, 50480, 61210, 97936, 122420, 244840, 489680, 3862351, 7724702, 15449404, 19311755, 30898808, 38623510, 61797616, 77247020, 154494040, 308988080]

約数ペア:

[(1, 308988080), (2, 154494040), (4, 77247020), (5, 61797616), (8, 38623510), (10, 30898808), (16, 19311755), (20, 15449404), (40, 7724702), (80, 3862351), (631, 489680), (1262, 244840), (2524, 122420), (3155, 97936), (5048, 61210), (6121, 50480), (6310, 48968), (10096, 30605), (12242, 25240), (12620, 24484)]