999350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 2142720

約数和(自身を除く): 1143370

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 79, 110, 115, 158, 230, 253, 275, 395, 506, 550, 575, 790, 869, 1150, 1265, 1738, 1817, 1975, 2530, 3634, 3950, 4345, 6325, 8690, 9085, 12650, 18170, 19987, 21725, 39974, 43450, 45425, 90850, 99935, 199870, 499675, 999350]

約数ペア:

[(1, 999350), (2, 499675), (5, 199870), (10, 99935), (11, 90850), (22, 45425), (23, 43450), (25, 39974), (46, 21725), (50, 19987), (55, 18170), (79, 12650), (110, 9085), (115, 8690), (158, 6325), (230, 4345), (253, 3950), (275, 3634), (395, 2530), (506, 1975), (550, 1817), (575, 1738), (790, 1265), (869, 1150)]