128790800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{13999}}^1$

素因数の和:14040

約数の個数: 60

約数和(自身を含む): 322896000

約数和(自身を除く): 194105200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1840, 2300, 4600, 9200, 13999, 27998, 55996, 69995, 111992, 139990, 223984, 279980, 321977, 349975, 559960, 643954, 699950, 1119920, 1287908, 1399900, 1609885, 2575816, 2799800, 3219770, 5151632, 5599600, 6439540, 8049425, 12879080, 16098850, 25758160, 32197700, 64395400, 128790800]

約数ペア:

[(1, 128790800), (2, 64395400), (4, 32197700), (5, 25758160), (8, 16098850), (10, 12879080), (16, 8049425), (20, 6439540), (23, 5599600), (25, 5151632), (40, 3219770), (46, 2799800), (50, 2575816), (80, 1609885), (92, 1399900), (100, 1287908), (115, 1119920), (184, 699950), (200, 643954), (230, 559960), (368, 349975), (400, 321977), (460, 279980), (575, 223984), (920, 139990), (1150, 111992), (1840, 69995), (2300, 55996), (4600, 27998), (9200, 13999)]