6890780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1559}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 16511040

約数和(自身を除く): 9620260

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 1559, 2210, 3118, 4420, 6236, 7795, 15590, 20267, 26503, 31180, 40534, 53006, 81068, 101335, 106012, 132515, 202670, 265030, 344539, 405340, 530060, 689078, 1378156, 1722695, 3445390, 6890780]

約数ペア:

[(1, 6890780), (2, 3445390), (4, 1722695), (5, 1378156), (10, 689078), (13, 530060), (17, 405340), (20, 344539), (26, 265030), (34, 202670), (52, 132515), (65, 106012), (68, 101335), (85, 81068), (130, 53006), (170, 40534), (221, 31180), (260, 26503), (340, 20267), (442, 15590), (884, 7795), (1105, 6236), (1559, 4420), (2210, 3118)]