90888900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:414

約数の個数: 144

約数和(自身を含む): 281648640

約数和(自身を除く): 190759740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 31, 50, 58, 60, 62, 75, 87, 93, 100, 116, 124, 145, 150, 155, 174, 186, 290, 300, 310, 337, 348, 372, 435, 465, 580, 620, 674, 725, 775, 870, 899, 930, 1011, 1348, 1450, 1550, 1685, 1740, 1798, 1860, 2022, 2175, 2325, 2697, 2900, 3100, 3370, 3596, 4044, 4350, 4495, 4650, 5055, 5394, 6740, 8425, 8700, 8990, 9300, 9773, 10110, 10447, 10788, 13485, 16850, 17980, 19546, 20220, 20894, 22475, 25275, 26970, 29319, 31341, 33700, 39092, 41788, 44950, 48865, 50550, 52235, 53940, 58638, 62682, 67425, 89900, 97730, 101100, 104470, 117276, 125364, 134850, 146595, 156705, 195460, 208940, 244325, 261175, 269700, 293190, 302963, 313410, 488650, 522350, 586380, 605926, 626820, 732975, 783525, 908889, 977300, 1044700, 1211852, 1465950, 1514815, 1567050, 1817778, 2931900, 3029630, 3134100, 3635556, 4544445, 6059260, 7574075, 9088890, 15148150, 18177780, 22722225, 30296300, 45444450, 90888900]

約数ペア:

[(1, 90888900), (2, 45444450), (3, 30296300), (4, 22722225), (5, 18177780), (6, 15148150), (10, 9088890), (12, 7574075), (15, 6059260), (20, 4544445), (25, 3635556), (29, 3134100), (30, 3029630), (31, 2931900), (50, 1817778), (58, 1567050), (60, 1514815), (62, 1465950), (75, 1211852), (87, 1044700), (93, 977300), (100, 908889), (116, 783525), (124, 732975), (145, 626820), (150, 605926), (155, 586380), (174, 522350), (186, 488650), (290, 313410), (300, 302963), (310, 293190), (337, 269700), (348, 261175), (372, 244325), (435, 208940), (465, 195460), (580, 156705), (620, 146595), (674, 134850), (725, 125364), (775, 117276), (870, 104470), (899, 101100), (930, 97730), (1011, 89900), (1348, 67425), (1450, 62682), (1550, 58638), (1685, 53940), (1740, 52235), (1798, 50550), (1860, 48865), (2022, 44950), (2175, 41788), (2325, 39092), (2697, 33700), (2900, 31341), (3100, 29319), (3370, 26970), (3596, 25275), (4044, 22475), (4350, 20894), (4495, 20220), (4650, 19546), (5055, 17980), (5394, 16850), (6740, 13485), (8425, 10788), (8700, 10447), (8990, 10110), (9300, 9773)]