83971720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{601}}^1$

素因数の和:1118

約数の個数: 64

約数和(自身を含む): 216720000

約数和(自身を除く): 132748280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499, 601, 998, 1202, 1996, 2404, 2495, 3005, 3493, 3992, 4207, 4808, 4990, 6010, 6986, 8414, 9980, 12020, 13972, 16828, 17465, 19960, 21035, 24040, 27944, 33656, 34930, 42070, 69860, 84140, 139720, 168280, 299899, 599798, 1199596, 1499495, 2099293, 2399192, 2998990, 4198586, 5997980, 8397172, 10496465, 11995960, 16794344, 20992930, 41985860, 83971720]

約数ペア:

[(1, 83971720), (2, 41985860), (4, 20992930), (5, 16794344), (7, 11995960), (8, 10496465), (10, 8397172), (14, 5997980), (20, 4198586), (28, 2998990), (35, 2399192), (40, 2099293), (56, 1499495), (70, 1199596), (140, 599798), (280, 299899), (499, 168280), (601, 139720), (998, 84140), (1202, 69860), (1996, 42070), (2404, 34930), (2495, 33656), (3005, 27944), (3493, 24040), (3992, 21035), (4207, 19960), (4808, 17465), (4990, 16828), (6010, 13972), (6986, 12020), (8414, 9980)]