1291400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{587}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 3281040

約数和(自身を除く): 1989640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 587, 1100, 1174, 2200, 2348, 2935, 4696, 5870, 6457, 11740, 12914, 14675, 23480, 25828, 29350, 32285, 51656, 58700, 64570, 117400, 129140, 161425, 258280, 322850, 645700, 1291400]

約数ペア:

[(1, 1291400), (2, 645700), (4, 322850), (5, 258280), (8, 161425), (10, 129140), (11, 117400), (20, 64570), (22, 58700), (25, 51656), (40, 32285), (44, 29350), (50, 25828), (55, 23480), (88, 14675), (100, 12914), (110, 11740), (200, 6457), (220, 5870), (275, 4696), (440, 2935), (550, 2348), (587, 2200), (1100, 1174)]