19772200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 54460800

約数和(自身を除く): 34688600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 50, 56, 58, 70, 100, 116, 140, 145, 175, 200, 203, 232, 280, 290, 350, 406, 487, 580, 700, 725, 812, 974, 1015, 1160, 1400, 1450, 1624, 1948, 2030, 2435, 2900, 3409, 3896, 4060, 4870, 5075, 5800, 6818, 8120, 9740, 10150, 12175, 13636, 14123, 17045, 19480, 20300, 24350, 27272, 28246, 34090, 40600, 48700, 56492, 68180, 70615, 85225, 97400, 98861, 112984, 136360, 141230, 170450, 197722, 282460, 340900, 353075, 395444, 494305, 564920, 681800, 706150, 790888, 988610, 1412300, 1977220, 2471525, 2824600, 3954440, 4943050, 9886100, 19772200]

約数ペア:

[(1, 19772200), (2, 9886100), (4, 4943050), (5, 3954440), (7, 2824600), (8, 2471525), (10, 1977220), (14, 1412300), (20, 988610), (25, 790888), (28, 706150), (29, 681800), (35, 564920), (40, 494305), (50, 395444), (56, 353075), (58, 340900), (70, 282460), (100, 197722), (116, 170450), (140, 141230), (145, 136360), (175, 112984), (200, 98861), (203, 97400), (232, 85225), (280, 70615), (290, 68180), (350, 56492), (406, 48700), (487, 40600), (580, 34090), (700, 28246), (725, 27272), (812, 24350), (974, 20300), (1015, 19480), (1160, 17045), (1400, 14123), (1450, 13636), (1624, 12175), (1948, 10150), (2030, 9740), (2435, 8120), (2900, 6818), (3409, 5800), (3896, 5075), (4060, 4870)]