138891800

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{13103}}^1$

素因数の和:13172

約数の個数: 48

約数和(自身を含む): 329041440

約数和(自身を除く): 190149640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 2120, 2650, 5300, 10600, 13103, 26206, 52412, 65515, 104824, 131030, 262060, 327575, 524120, 655150, 694459, 1310300, 1388918, 2620600, 2777836, 3472295, 5555672, 6944590, 13889180, 17361475, 27778360, 34722950, 69445900, 138891800]

約数ペア:

[(1, 138891800), (2, 69445900), (4, 34722950), (5, 27778360), (8, 17361475), (10, 13889180), (20, 6944590), (25, 5555672), (40, 3472295), (50, 2777836), (53, 2620600), (100, 1388918), (106, 1310300), (200, 694459), (212, 655150), (265, 524120), (424, 327575), (530, 262060), (1060, 131030), (1325, 104824), (2120, 65515), (2650, 52412), (5300, 26206), (10600, 13103)]