16557100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 108

約数和(自身を含む): 43538880

約数和(自身を除く): 26981780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 49, 50, 62, 70, 98, 100, 109, 124, 140, 155, 175, 196, 217, 218, 245, 310, 350, 434, 436, 490, 545, 620, 700, 763, 775, 868, 980, 1085, 1090, 1225, 1519, 1526, 1550, 2170, 2180, 2450, 2725, 3038, 3052, 3100, 3379, 3815, 4340, 4900, 5341, 5425, 5450, 6076, 6758, 7595, 7630, 10682, 10850, 10900, 13516, 15190, 15260, 16895, 19075, 21364, 21700, 23653, 26705, 30380, 33790, 37975, 38150, 47306, 53410, 67580, 75950, 76300, 84475, 94612, 106820, 118265, 133525, 151900, 165571, 168950, 236530, 267050, 331142, 337900, 473060, 534100, 591325, 662284, 827855, 1182650, 1655710, 2365300, 3311420, 4139275, 8278550, 16557100]

約数ペア:

[(1, 16557100), (2, 8278550), (4, 4139275), (5, 3311420), (7, 2365300), (10, 1655710), (14, 1182650), (20, 827855), (25, 662284), (28, 591325), (31, 534100), (35, 473060), (49, 337900), (50, 331142), (62, 267050), (70, 236530), (98, 168950), (100, 165571), (109, 151900), (124, 133525), (140, 118265), (155, 106820), (175, 94612), (196, 84475), (217, 76300), (218, 75950), (245, 67580), (310, 53410), (350, 47306), (434, 38150), (436, 37975), (490, 33790), (545, 30380), (620, 26705), (700, 23653), (763, 21700), (775, 21364), (868, 19075), (980, 16895), (1085, 15260), (1090, 15190), (1225, 13516), (1519, 10900), (1526, 10850), (1550, 10682), (2170, 7630), (2180, 7595), (2450, 6758), (2725, 6076), (3038, 5450), (3052, 5425), (3100, 5341), (3379, 4900), (3815, 4340)]