210724240

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{4729}}^1$

素因数の和:5299

約数の個数: 40

約数和(自身を含む): 490917240

約数和(自身を除く): 280193000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 4456, 4729, 5570, 8912, 9458, 11140, 18916, 22280, 23645, 37832, 44560, 47290, 75664, 94580, 189160, 378320, 2634053, 5268106, 10536212, 13170265, 21072424, 26340530, 42144848, 52681060, 105362120, 210724240]

約数ペア:

[(1, 210724240), (2, 105362120), (4, 52681060), (5, 42144848), (8, 26340530), (10, 21072424), (16, 13170265), (20, 10536212), (40, 5268106), (80, 2634053), (557, 378320), (1114, 189160), (2228, 94580), (2785, 75664), (4456, 47290), (4729, 44560), (5570, 37832), (8912, 23645), (9458, 22280), (11140, 18916)]