140372740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{2281}}^1$

素因数の和:2488

約数の個数: 48

約数和(自身を含む): 313984944

約数和(自身を除く): 173612204

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 724, 905, 1810, 2281, 3077, 3620, 4562, 6154, 9124, 11405, 12308, 15385, 22810, 30770, 38777, 45620, 61540, 77554, 155108, 193885, 387770, 412861, 775540, 825722, 1651444, 2064305, 4128610, 7018637, 8257220, 14037274, 28074548, 35093185, 70186370, 140372740]

約数ペア:

[(1, 140372740), (2, 70186370), (4, 35093185), (5, 28074548), (10, 14037274), (17, 8257220), (20, 7018637), (34, 4128610), (68, 2064305), (85, 1651444), (170, 825722), (181, 775540), (340, 412861), (362, 387770), (724, 193885), (905, 155108), (1810, 77554), (2281, 61540), (3077, 45620), (3620, 38777), (4562, 30770), (6154, 22810), (9124, 15385), (11405, 12308)]