90006875

素因数分解:

$5^4\times 7^2\times {\mathrm{2939}}^1$

素因数の和:2973

約数の個数: 30

約数和(自身を含む): 130879980

約数和(自身を除く): 40873105

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 625, 875, 1225, 2939, 4375, 6125, 14695, 20573, 30625, 73475, 102865, 144011, 367375, 514325, 720055, 1836875, 2571625, 3600275, 12858125, 18001375, 90006875]

約数ペア:

[(1, 90006875), (5, 18001375), (7, 12858125), (25, 3600275), (35, 2571625), (49, 1836875), (125, 720055), (175, 514325), (245, 367375), (625, 144011), (875, 102865), (1225, 73475), (2939, 30625), (4375, 20573), (6125, 14695)]