5457140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 12512640

約数和(自身を除く): 7055500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 151, 260, 278, 302, 556, 604, 695, 755, 1390, 1510, 1807, 1963, 2780, 3020, 3614, 3926, 7228, 7852, 9035, 9815, 18070, 19630, 20989, 36140, 39260, 41978, 83956, 104945, 209890, 272857, 419780, 545714, 1091428, 1364285, 2728570, 5457140]

約数ペア:

[(1, 5457140), (2, 2728570), (4, 1364285), (5, 1091428), (10, 545714), (13, 419780), (20, 272857), (26, 209890), (52, 104945), (65, 83956), (130, 41978), (139, 39260), (151, 36140), (260, 20989), (278, 19630), (302, 18070), (556, 9815), (604, 9035), (695, 7852), (755, 7228), (1390, 3926), (1510, 3614), (1807, 3020), (1963, 2780)]