72417500

素因数分解:

$2^2\times 5^4\times {\mathrm{83}}^1\times {\mathrm{349}}^1$

素因数の和:456

約数の個数: 60

約数和(自身を含む): 160729800

約数和(自身を除く): 88312300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 125, 166, 250, 332, 349, 415, 500, 625, 698, 830, 1250, 1396, 1660, 1745, 2075, 2500, 3490, 4150, 6980, 8300, 8725, 10375, 17450, 20750, 28967, 34900, 41500, 43625, 51875, 57934, 87250, 103750, 115868, 144835, 174500, 207500, 218125, 289670, 436250, 579340, 724175, 872500, 1448350, 2896700, 3620875, 7241750, 14483500, 18104375, 36208750, 72417500]

約数ペア:

[(1, 72417500), (2, 36208750), (4, 18104375), (5, 14483500), (10, 7241750), (20, 3620875), (25, 2896700), (50, 1448350), (83, 872500), (100, 724175), (125, 579340), (166, 436250), (250, 289670), (332, 218125), (349, 207500), (415, 174500), (500, 144835), (625, 115868), (698, 103750), (830, 87250), (1250, 57934), (1396, 51875), (1660, 43625), (1745, 41500), (2075, 34900), (2500, 28967), (3490, 20750), (4150, 17450), (6980, 10375), (8300, 8725)]