68990800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{7499}}^1$

素因数の和:7540

約数の個数: 60

約数和(自身を含む): 172980000

約数和(自身を除く): 103989200

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, 7499, 9200, 14998, 29996, 37495, 59992, 74990, 119984, 149980, 172477, 187475, 299960, 344954, 374950, 599920, 689908, 749900, 862385, 1379816, 1499800, 1724770, 2759632, 2999600, 3449540, 4311925, 6899080, 8623850, 13798160, 17247700, 34495400, 68990800]

約数ペア:

[(1, 68990800), (2, 34495400), (4, 17247700), (5, 13798160), (8, 8623850), (10, 6899080), (16, 4311925), (20, 3449540), (23, 2999600), (25, 2759632), (40, 1724770), (46, 1499800), (50, 1379816), (80, 862385), (92, 749900), (100, 689908), (115, 599920), (184, 374950), (200, 344954), (230, 299960), (368, 187475), (400, 172477), (460, 149980), (575, 119984), (920, 74990), (1150, 59992), (1840, 37495), (2300, 29996), (4600, 14998), (7499, 9200)]