7967900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 18905040

約数和(自身を除く): 10937140

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 43, 50, 68, 85, 86, 100, 109, 170, 172, 215, 218, 340, 425, 430, 436, 545, 731, 850, 860, 1075, 1090, 1462, 1700, 1853, 2150, 2180, 2725, 2924, 3655, 3706, 4300, 4687, 5450, 7310, 7412, 9265, 9374, 10900, 14620, 18275, 18530, 18748, 23435, 36550, 37060, 46325, 46870, 73100, 79679, 92650, 93740, 117175, 159358, 185300, 234350, 318716, 398395, 468700, 796790, 1593580, 1991975, 3983950, 7967900]

約数ペア:

[(1, 7967900), (2, 3983950), (4, 1991975), (5, 1593580), (10, 796790), (17, 468700), (20, 398395), (25, 318716), (34, 234350), (43, 185300), (50, 159358), (68, 117175), (85, 93740), (86, 92650), (100, 79679), (109, 73100), (170, 46870), (172, 46325), (215, 37060), (218, 36550), (340, 23435), (425, 18748), (430, 18530), (436, 18275), (545, 14620), (731, 10900), (850, 9374), (860, 9265), (1075, 7412), (1090, 7310), (1462, 5450), (1700, 4687), (1853, 4300), (2150, 3706), (2180, 3655), (2725, 2924)]