19862100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{761}}^1$

素因数の和:810

約数の個数: 108

約数和(自身を含む): 64488060

約数和(自身を除く): 44625960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 36, 45, 50, 58, 60, 75, 87, 90, 100, 116, 145, 150, 174, 180, 225, 261, 290, 300, 348, 435, 450, 522, 580, 725, 761, 870, 900, 1044, 1305, 1450, 1522, 1740, 2175, 2283, 2610, 2900, 3044, 3805, 4350, 4566, 5220, 6525, 6849, 7610, 8700, 9132, 11415, 13050, 13698, 15220, 19025, 22069, 22830, 26100, 27396, 34245, 38050, 44138, 45660, 57075, 66207, 68490, 76100, 88276, 110345, 114150, 132414, 136980, 171225, 198621, 220690, 228300, 264828, 331035, 342450, 397242, 441380, 551725, 662070, 684900, 794484, 993105, 1103450, 1324140, 1655175, 1986210, 2206900, 3310350, 3972420, 4965525, 6620700, 9931050, 19862100]

約数ペア:

[(1, 19862100), (2, 9931050), (3, 6620700), (4, 4965525), (5, 3972420), (6, 3310350), (9, 2206900), (10, 1986210), (12, 1655175), (15, 1324140), (18, 1103450), (20, 993105), (25, 794484), (29, 684900), (30, 662070), (36, 551725), (45, 441380), (50, 397242), (58, 342450), (60, 331035), (75, 264828), (87, 228300), (90, 220690), (100, 198621), (116, 171225), (145, 136980), (150, 132414), (174, 114150), (180, 110345), (225, 88276), (261, 76100), (290, 68490), (300, 66207), (348, 57075), (435, 45660), (450, 44138), (522, 38050), (580, 34245), (725, 27396), (761, 26100), (870, 22830), (900, 22069), (1044, 19025), (1305, 15220), (1450, 13698), (1522, 13050), (1740, 11415), (2175, 9132), (2283, 8700), (2610, 7610), (2900, 6849), (3044, 6525), (3805, 5220), (4350, 4566)]