669633625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 922521600

約数和(自身を除く): 252887975

約数列:

[1, 5, 19, 25, 43, 79, 83, 95, 125, 215, 395, 415, 475, 817, 1075, 1501, 1577, 1975, 2075, 2375, 3397, 3569, 4085, 5375, 6557, 7505, 7885, 9875, 10375, 16985, 17845, 20425, 32785, 37525, 39425, 64543, 67811, 84925, 89225, 102125, 124583, 163925, 187625, 197125, 281951, 322715, 339055, 424625, 446125, 622915, 819625, 1409755, 1613575, 1695275, 3114575, 5357069, 7048775, 8067875, 8476375, 15572875, 26785345, 35243875, 133926725, 669633625]

約数ペア:

[(1, 669633625), (5, 133926725), (19, 35243875), (25, 26785345), (43, 15572875), (79, 8476375), (83, 8067875), (95, 7048775), (125, 5357069), (215, 3114575), (395, 1695275), (415, 1613575), (475, 1409755), (817, 819625), (1075, 622915), (1501, 446125), (1577, 424625), (1975, 339055), (2075, 322715), (2375, 281951), (3397, 197125), (3569, 187625), (4085, 163925), (5375, 124583), (6557, 102125), (7505, 89225), (7885, 84925), (9875, 67811), (10375, 64543), (16985, 39425), (17845, 37525), (20425, 32785)]