68580400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{3499}}^1$

素因数の和:3531

約数の個数: 90

約数和(自身を含む): 191719500

約数和(自身を除く): 123139100

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3499, 3920, 4900, 6998, 9800, 13996, 17495, 19600, 24493, 27992, 34990, 48986, 55984, 69980, 87475, 97972, 122465, 139960, 171451, 174950, 195944, 244930, 279920, 342902, 349900, 391888, 489860, 612325, 685804, 699800, 857255, 979720, 1224650, 1371608, 1399600, 1714510, 1959440, 2449300, 2743216, 3429020, 4286275, 4898600, 6858040, 8572550, 9797200, 13716080, 17145100, 34290200, 68580400]

約数ペア:

[(1, 68580400), (2, 34290200), (4, 17145100), (5, 13716080), (7, 9797200), (8, 8572550), (10, 6858040), (14, 4898600), (16, 4286275), (20, 3429020), (25, 2743216), (28, 2449300), (35, 1959440), (40, 1714510), (49, 1399600), (50, 1371608), (56, 1224650), (70, 979720), (80, 857255), (98, 699800), (100, 685804), (112, 612325), (140, 489860), (175, 391888), (196, 349900), (200, 342902), (245, 279920), (280, 244930), (350, 195944), (392, 174950), (400, 171451), (490, 139960), (560, 122465), (700, 97972), (784, 87475), (980, 69980), (1225, 55984), (1400, 48986), (1960, 34990), (2450, 27992), (2800, 24493), (3499, 19600), (3920, 17495), (4900, 13996), (6998, 9800)]