119920900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2659}}^1$

素因数の和:2725

約数の個数: 72

約数和(自身を含む): 290918880

約数和(自身を除く): 170997980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 550, 820, 902, 1025, 1100, 1804, 2050, 2255, 2659, 4100, 4510, 5318, 9020, 10636, 11275, 13295, 22550, 26590, 29249, 45100, 53180, 58498, 66475, 109019, 116996, 132950, 146245, 218038, 265900, 292490, 436076, 545095, 584980, 731225, 1090190, 1199209, 1462450, 2180380, 2398418, 2725475, 2924900, 4796836, 5450950, 5996045, 10901900, 11992090, 23984180, 29980225, 59960450, 119920900]

約数ペア:

[(1, 119920900), (2, 59960450), (4, 29980225), (5, 23984180), (10, 11992090), (11, 10901900), (20, 5996045), (22, 5450950), (25, 4796836), (41, 2924900), (44, 2725475), (50, 2398418), (55, 2180380), (82, 1462450), (100, 1199209), (110, 1090190), (164, 731225), (205, 584980), (220, 545095), (275, 436076), (410, 292490), (451, 265900), (550, 218038), (820, 146245), (902, 132950), (1025, 116996), (1100, 109019), (1804, 66475), (2050, 58498), (2255, 53180), (2659, 45100), (4100, 29249), (4510, 26590), (5318, 22550), (9020, 13295), (10636, 11275)]