313629920

素因数分解:

$2^5\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2417}}^1$

素因数の和:3243

約数の個数: 48

約数和(自身を含む): 742171248

約数和(自身を除く): 428541328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 811, 1622, 2417, 3244, 4055, 4834, 6488, 8110, 9668, 12085, 12976, 16220, 19336, 24170, 25952, 32440, 38672, 48340, 64880, 77344, 96680, 129760, 193360, 386720, 1960187, 3920374, 7840748, 9800935, 15681496, 19601870, 31362992, 39203740, 62725984, 78407480, 156814960, 313629920]

約数ペア:

[(1, 313629920), (2, 156814960), (4, 78407480), (5, 62725984), (8, 39203740), (10, 31362992), (16, 19601870), (20, 15681496), (32, 9800935), (40, 7840748), (80, 3920374), (160, 1960187), (811, 386720), (1622, 193360), (2417, 129760), (3244, 96680), (4055, 77344), (4834, 64880), (6488, 48340), (8110, 38672), (9668, 32440), (12085, 25952), (12976, 24170), (16220, 19336)]