199750180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{2089}}^1$

素因数の和:2788

約数の個数: 48

約数和(自身を含む): 480332160

約数和(自身を除く): 280581980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 683, 1366, 2089, 2732, 3415, 4178, 4781, 6830, 8356, 9562, 10445, 13660, 14623, 19124, 20890, 23905, 29246, 41780, 47810, 58492, 73115, 95620, 146230, 292460, 1426787, 2853574, 5707148, 7133935, 9987509, 14267870, 19975018, 28535740, 39950036, 49937545, 99875090, 199750180]

約数ペア:

[(1, 199750180), (2, 99875090), (4, 49937545), (5, 39950036), (7, 28535740), (10, 19975018), (14, 14267870), (20, 9987509), (28, 7133935), (35, 5707148), (70, 2853574), (140, 1426787), (683, 292460), (1366, 146230), (2089, 95620), (2732, 73115), (3415, 58492), (4178, 47810), (4781, 41780), (6830, 29246), (8356, 23905), (9562, 20890), (10445, 19124), (13660, 14623)]