30997625

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:210

約数の個数: 32

約数和(自身を含む): 40634880

約数和(自身を除く): 9637255

約数列:

[1, 5, 25, 43, 73, 79, 125, 215, 365, 395, 1075, 1825, 1975, 3139, 3397, 5375, 5767, 9125, 9875, 15695, 16985, 28835, 78475, 84925, 144175, 247981, 392375, 424625, 720875, 1239905, 6199525, 30997625]

約数ペア:

[(1, 30997625), (5, 6199525), (25, 1239905), (43, 720875), (73, 424625), (79, 392375), (125, 247981), (215, 144175), (365, 84925), (395, 78475), (1075, 28835), (1825, 16985), (1975, 15695), (3139, 9875), (3397, 9125), (5375, 5767)]