28388100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 91869120

約数和(自身を除く): 63481020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 29, 30, 39, 50, 52, 58, 60, 65, 75, 78, 87, 100, 116, 130, 145, 150, 156, 174, 195, 251, 260, 290, 300, 325, 348, 377, 390, 435, 502, 580, 650, 725, 753, 754, 780, 870, 975, 1004, 1131, 1255, 1300, 1450, 1506, 1508, 1740, 1885, 1950, 2175, 2262, 2510, 2900, 3012, 3263, 3765, 3770, 3900, 4350, 4524, 5020, 5655, 6275, 6526, 7279, 7530, 7540, 8700, 9425, 9789, 11310, 12550, 13052, 14558, 15060, 16315, 18825, 18850, 19578, 21837, 22620, 25100, 28275, 29116, 32630, 36395, 37650, 37700, 39156, 43674, 48945, 56550, 65260, 72790, 75300, 81575, 87348, 94627, 97890, 109185, 113100, 145580, 163150, 181975, 189254, 195780, 218370, 244725, 283881, 326300, 363950, 378508, 436740, 473135, 489450, 545925, 567762, 727900, 946270, 978900, 1091850, 1135524, 1419405, 1892540, 2183700, 2365675, 2838810, 4731350, 5677620, 7097025, 9462700, 14194050, 28388100]

約数ペア:

[(1, 28388100), (2, 14194050), (3, 9462700), (4, 7097025), (5, 5677620), (6, 4731350), (10, 2838810), (12, 2365675), (13, 2183700), (15, 1892540), (20, 1419405), (25, 1135524), (26, 1091850), (29, 978900), (30, 946270), (39, 727900), (50, 567762), (52, 545925), (58, 489450), (60, 473135), (65, 436740), (75, 378508), (78, 363950), (87, 326300), (100, 283881), (116, 244725), (130, 218370), (145, 195780), (150, 189254), (156, 181975), (174, 163150), (195, 145580), (251, 113100), (260, 109185), (290, 97890), (300, 94627), (325, 87348), (348, 81575), (377, 75300), (390, 72790), (435, 65260), (502, 56550), (580, 48945), (650, 43674), (725, 39156), (753, 37700), (754, 37650), (780, 36395), (870, 32630), (975, 29116), (1004, 28275), (1131, 25100), (1255, 22620), (1300, 21837), (1450, 19578), (1506, 18850), (1508, 18825), (1740, 16315), (1885, 15060), (1950, 14558), (2175, 13052), (2262, 12550), (2510, 11310), (2900, 9789), (3012, 9425), (3263, 8700), (3765, 7540), (3770, 7530), (3900, 7279), (4350, 6526), (4524, 6275), (5020, 5655)]