140548460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3889}}^1$

素因数の和:4050

約数の個数: 48

約数和(自身を含む): 320224800

約数和(自身を除く): 179676340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 3889, 7228, 7778, 9035, 15556, 18070, 19445, 36140, 38890, 50557, 77780, 101114, 202228, 252785, 505570, 540571, 1011140, 1081142, 2162284, 2702855, 5405710, 7027423, 10811420, 14054846, 28109692, 35137115, 70274230, 140548460]

約数ペア:

[(1, 140548460), (2, 70274230), (4, 35137115), (5, 28109692), (10, 14054846), (13, 10811420), (20, 7027423), (26, 5405710), (52, 2702855), (65, 2162284), (130, 1081142), (139, 1011140), (260, 540571), (278, 505570), (556, 252785), (695, 202228), (1390, 101114), (1807, 77780), (2780, 50557), (3614, 38890), (3889, 36140), (7228, 19445), (7778, 18070), (9035, 15556)]