28397500

素因数分解:

$2^2\times 5^4\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:368

約数の個数: 60

約数和(自身を含む): 63985768

約数和(自身を除く): 35588268

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 125, 148, 185, 250, 307, 370, 500, 614, 625, 740, 925, 1228, 1250, 1535, 1850, 2500, 3070, 3700, 4625, 6140, 7675, 9250, 11359, 15350, 18500, 22718, 23125, 30700, 38375, 45436, 46250, 56795, 76750, 92500, 113590, 153500, 191875, 227180, 283975, 383750, 567950, 767500, 1135900, 1419875, 2839750, 5679500, 7099375, 14198750, 28397500]

約数ペア:

[(1, 28397500), (2, 14198750), (4, 7099375), (5, 5679500), (10, 2839750), (20, 1419875), (25, 1135900), (37, 767500), (50, 567950), (74, 383750), (100, 283975), (125, 227180), (148, 191875), (185, 153500), (250, 113590), (307, 92500), (370, 76750), (500, 56795), (614, 46250), (625, 45436), (740, 38375), (925, 30700), (1228, 23125), (1250, 22718), (1535, 18500), (1850, 15350), (2500, 11359), (3070, 9250), (3700, 7675), (4625, 6140)]