869000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:111

約数の個数: 64

約数和(自身を含む): 2246400

約数和(自身を除く): 1377400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 79, 88, 100, 110, 125, 158, 200, 220, 250, 275, 316, 395, 440, 500, 550, 632, 790, 869, 1000, 1100, 1375, 1580, 1738, 1975, 2200, 2750, 3160, 3476, 3950, 4345, 5500, 6952, 7900, 8690, 9875, 11000, 15800, 17380, 19750, 21725, 34760, 39500, 43450, 79000, 86900, 108625, 173800, 217250, 434500, 869000]

約数ペア:

[(1, 869000), (2, 434500), (4, 217250), (5, 173800), (8, 108625), (10, 86900), (11, 79000), (20, 43450), (22, 39500), (25, 34760), (40, 21725), (44, 19750), (50, 17380), (55, 15800), (79, 11000), (88, 9875), (100, 8690), (110, 7900), (125, 6952), (158, 5500), (200, 4345), (220, 3950), (250, 3476), (275, 3160), (316, 2750), (395, 2200), (440, 1975), (500, 1738), (550, 1580), (632, 1375), (790, 1100), (869, 1000)]