6400625

素因数分解:

$5^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:64

約数の個数: 60

約数和(自身を含む): 10684080

約数和(自身を除く): 4283455

約数列:

[1, 5, 7, 11, 19, 25, 35, 49, 55, 77, 95, 125, 133, 175, 209, 245, 275, 385, 475, 539, 625, 665, 875, 931, 1045, 1225, 1375, 1463, 1925, 2375, 2695, 3325, 4375, 4655, 5225, 6125, 6875, 7315, 9625, 10241, 11875, 13475, 16625, 23275, 26125, 30625, 36575, 48125, 51205, 67375, 83125, 116375, 130625, 182875, 256025, 336875, 581875, 914375, 1280125, 6400625]

約数ペア:

[(1, 6400625), (5, 1280125), (7, 914375), (11, 581875), (19, 336875), (25, 256025), (35, 182875), (49, 130625), (55, 116375), (77, 83125), (95, 67375), (125, 51205), (133, 48125), (175, 36575), (209, 30625), (245, 26125), (275, 23275), (385, 16625), (475, 13475), (539, 11875), (625, 10241), (665, 9625), (875, 7315), (931, 6875), (1045, 6125), (1225, 5225), (1375, 4655), (1463, 4375), (1925, 3325), (2375, 2695)]