28880870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 54604800

約数和(自身を除く): 25723930

約数列:

[1, 2, 5, 10, 23, 46, 115, 199, 230, 398, 631, 995, 1262, 1990, 3155, 4577, 6310, 9154, 14513, 22885, 29026, 45770, 72565, 125569, 145130, 251138, 627845, 1255690, 2888087, 5776174, 14440435, 28880870]

約数ペア:

[(1, 28880870), (2, 14440435), (5, 5776174), (10, 2888087), (23, 1255690), (46, 627845), (115, 251138), (199, 145130), (230, 125569), (398, 72565), (631, 45770), (995, 29026), (1262, 22885), (1990, 14513), (3155, 9154), (4577, 6310)]