19969400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 52563600

約数和(自身を除く): 32594200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 29, 40, 44, 50, 55, 58, 88, 100, 110, 116, 145, 200, 220, 232, 275, 290, 313, 319, 440, 550, 580, 626, 638, 725, 1100, 1160, 1252, 1276, 1450, 1565, 1595, 2200, 2504, 2552, 2900, 3130, 3190, 3443, 5800, 6260, 6380, 6886, 7825, 7975, 9077, 12520, 12760, 13772, 15650, 15950, 17215, 18154, 27544, 31300, 31900, 34430, 36308, 45385, 62600, 63800, 68860, 72616, 86075, 90770, 99847, 137720, 172150, 181540, 199694, 226925, 344300, 363080, 399388, 453850, 499235, 688600, 798776, 907700, 998470, 1815400, 1996940, 2496175, 3993880, 4992350, 9984700, 19969400]

約数ペア:

[(1, 19969400), (2, 9984700), (4, 4992350), (5, 3993880), (8, 2496175), (10, 1996940), (11, 1815400), (20, 998470), (22, 907700), (25, 798776), (29, 688600), (40, 499235), (44, 453850), (50, 399388), (55, 363080), (58, 344300), (88, 226925), (100, 199694), (110, 181540), (116, 172150), (145, 137720), (200, 99847), (220, 90770), (232, 86075), (275, 72616), (290, 68860), (313, 63800), (319, 62600), (440, 45385), (550, 36308), (580, 34430), (626, 31900), (638, 31300), (725, 27544), (1100, 18154), (1160, 17215), (1252, 15950), (1276, 15650), (1450, 13772), (1565, 12760), (1595, 12520), (2200, 9077), (2504, 7975), (2552, 7825), (2900, 6886), (3130, 6380), (3190, 6260), (3443, 5800)]