223836020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{557}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 479219328

約数和(自身を除く): 255383308

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 283, 284, 355, 557, 566, 710, 1114, 1132, 1415, 1420, 2228, 2785, 2830, 5570, 5660, 11140, 20093, 39547, 40186, 79094, 80372, 100465, 157631, 158188, 197735, 200930, 315262, 395470, 401860, 630524, 788155, 790940, 1576310, 3152620, 11191801, 22383602, 44767204, 55959005, 111918010, 223836020]

約数ペア:

[(1, 223836020), (2, 111918010), (4, 55959005), (5, 44767204), (10, 22383602), (20, 11191801), (71, 3152620), (142, 1576310), (283, 790940), (284, 788155), (355, 630524), (557, 401860), (566, 395470), (710, 315262), (1114, 200930), (1132, 197735), (1415, 158188), (1420, 157631), (2228, 100465), (2785, 80372), (2830, 79094), (5570, 40186), (5660, 39547), (11140, 20093)]