325853140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1\times {\mathrm{673}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 702491328

約数和(自身を除く): 376638188

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 563, 673, 860, 1126, 1346, 2252, 2692, 2815, 3365, 5630, 6730, 11260, 13460, 24209, 28939, 48418, 57878, 96836, 115756, 121045, 144695, 242090, 289390, 378899, 484180, 578780, 757798, 1515596, 1894495, 3788990, 7577980, 16292657, 32585314, 65170628, 81463285, 162926570, 325853140]

約数ペア:

[(1, 325853140), (2, 162926570), (4, 81463285), (5, 65170628), (10, 32585314), (20, 16292657), (43, 7577980), (86, 3788990), (172, 1894495), (215, 1515596), (430, 757798), (563, 578780), (673, 484180), (860, 378899), (1126, 289390), (1346, 242090), (2252, 144695), (2692, 121045), (2815, 115756), (3365, 96836), (5630, 57878), (6730, 48418), (11260, 28939), (13460, 24209)]