2149207970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{4733}}^1$

素因数の和:5259

約数の個数: 64

約数和(自身を含む): 4771872000

約数和(自身を除く): 2622664030

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 499, 910, 998, 2495, 3493, 4733, 4990, 6487, 6986, 9466, 12974, 17465, 23665, 32435, 33131, 34930, 45409, 47330, 61529, 64870, 66262, 90818, 123058, 165655, 227045, 307645, 331310, 430703, 454090, 615290, 861406, 2153515, 2361767, 4307030, 4723534, 11808835, 16532369, 23617670, 30702971, 33064738, 61405942, 82661845, 153514855, 165323690, 214920797, 307029710, 429841594, 1074603985, 2149207970]

約数ペア:

[(1, 2149207970), (2, 1074603985), (5, 429841594), (7, 307029710), (10, 214920797), (13, 165323690), (14, 153514855), (26, 82661845), (35, 61405942), (65, 33064738), (70, 30702971), (91, 23617670), (130, 16532369), (182, 11808835), (455, 4723534), (499, 4307030), (910, 2361767), (998, 2153515), (2495, 861406), (3493, 615290), (4733, 454090), (4990, 430703), (6487, 331310), (6986, 307645), (9466, 227045), (12974, 165655), (17465, 123058), (23665, 90818), (32435, 66262), (33131, 64870), (34930, 61529), (45409, 47330)]