180182380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{18127}}^1$

素因数の和:18214

約数の個数: 48

約数和(自身を含む): 438552576

約数和(自身を除く): 258370196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 18127, 36254, 72508, 90635, 126889, 181270, 253778, 362540, 507556, 634445, 1268890, 1287017, 2537780, 2574034, 5148068, 6435085, 9009119, 12870170, 18018238, 25740340, 36036476, 45045595, 90091190, 180182380]

約数ペア:

[(1, 180182380), (2, 90091190), (4, 45045595), (5, 36036476), (7, 25740340), (10, 18018238), (14, 12870170), (20, 9009119), (28, 6435085), (35, 5148068), (70, 2574034), (71, 2537780), (140, 1287017), (142, 1268890), (284, 634445), (355, 507556), (497, 362540), (710, 253778), (994, 181270), (1420, 126889), (1988, 90635), (2485, 72508), (4970, 36254), (9940, 18127)]