2000040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2381}}^1$

素因数の和:2402

約数の個数: 64

約数和(自身を含む): 6860160

約数和(自身を除く): 4860120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2381, 4762, 7143, 9524, 11905, 14286, 16667, 19048, 23810, 28572, 33334, 35715, 47620, 50001, 57144, 66668, 71430, 83335, 95240, 100002, 133336, 142860, 166670, 200004, 250005, 285720, 333340, 400008, 500010, 666680, 1000020, 2000040]

約数ペア:

[(1, 2000040), (2, 1000020), (3, 666680), (4, 500010), (5, 400008), (6, 333340), (7, 285720), (8, 250005), (10, 200004), (12, 166670), (14, 142860), (15, 133336), (20, 100002), (21, 95240), (24, 83335), (28, 71430), (30, 66668), (35, 57144), (40, 50001), (42, 47620), (56, 35715), (60, 33334), (70, 28572), (84, 23810), (105, 19048), (120, 16667), (140, 14286), (168, 11905), (210, 9524), (280, 7143), (420, 4762), (840, 2381)]