78357440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{34981}}^1$

素因数の和:35005

約数の個数: 56

約数和(自身を含む): 213250272

約数和(自身を除く): 134892832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 34981, 69962, 139924, 174905, 244867, 279848, 349810, 489734, 559696, 699620, 979468, 1119392, 1224335, 1399240, 1958936, 2238784, 2448670, 2798480, 3917872, 4897340, 5596960, 7835744, 9794680, 11193920, 15671488, 19589360, 39178720, 78357440]

約数ペア:

[(1, 78357440), (2, 39178720), (4, 19589360), (5, 15671488), (7, 11193920), (8, 9794680), (10, 7835744), (14, 5596960), (16, 4897340), (20, 3917872), (28, 2798480), (32, 2448670), (35, 2238784), (40, 1958936), (56, 1399240), (64, 1224335), (70, 1119392), (80, 979468), (112, 699620), (140, 559696), (160, 489734), (224, 349810), (280, 279848), (320, 244867), (448, 174905), (560, 139924), (1120, 69962), (2240, 34981)]