31746940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 68705280

約数和(自身を除く): 36958340

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 142, 158, 283, 284, 316, 355, 395, 566, 710, 790, 1132, 1415, 1420, 1580, 2830, 5609, 5660, 11218, 20093, 22357, 22436, 28045, 40186, 44714, 56090, 80372, 89428, 100465, 111785, 112180, 200930, 223570, 401860, 447140, 1587347, 3174694, 6349388, 7936735, 15873470, 31746940]

約数ペア:

[(1, 31746940), (2, 15873470), (4, 7936735), (5, 6349388), (10, 3174694), (20, 1587347), (71, 447140), (79, 401860), (142, 223570), (158, 200930), (283, 112180), (284, 111785), (316, 100465), (355, 89428), (395, 80372), (566, 56090), (710, 44714), (790, 40186), (1132, 28045), (1415, 22436), (1420, 22357), (1580, 20093), (2830, 11218), (5609, 5660)]