308542040

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{44587}}^1$

素因数の和:44771

約数の個数: 32

約数和(自身を含む): 698248080

約数和(自身を除く): 389706040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 44587, 89174, 178348, 222935, 356696, 445870, 891740, 1783480, 7713551, 15427102, 30854204, 38567755, 61708408, 77135510, 154271020, 308542040]

約数ペア:

[(1, 308542040), (2, 154271020), (4, 77135510), (5, 61708408), (8, 38567755), (10, 30854204), (20, 15427102), (40, 7713551), (173, 1783480), (346, 891740), (692, 445870), (865, 356696), (1384, 222935), (1730, 178348), (3460, 89174), (6920, 44587)]