201809930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2963}}^1$

素因数の和:3123

約数の個数: 48

約数和(自身を含む): 425748960

約数和(自身を除く): 223939030

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 139, 245, 278, 490, 695, 973, 1390, 1946, 2963, 4865, 5926, 6811, 9730, 13622, 14815, 20741, 29630, 34055, 41482, 68110, 103705, 145187, 207410, 290374, 411857, 725935, 823714, 1451870, 2059285, 2882999, 4118570, 5765998, 14414995, 20180993, 28829990, 40361986, 100904965, 201809930]

約数ペア:

[(1, 201809930), (2, 100904965), (5, 40361986), (7, 28829990), (10, 20180993), (14, 14414995), (35, 5765998), (49, 4118570), (70, 2882999), (98, 2059285), (139, 1451870), (245, 823714), (278, 725935), (490, 411857), (695, 290374), (973, 207410), (1390, 145187), (1946, 103705), (2963, 68110), (4865, 41482), (5926, 34055), (6811, 29630), (9730, 20741), (13622, 14815)]