308807740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{16067}}^1$

素因数の和:16138

約数の個数: 36

約数和(自身を含む): 670132008

約数和(自身を除く): 361324268

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 16067, 19220, 32134, 64268, 80335, 160670, 321340, 498077, 996154, 1992308, 2490385, 4980770, 9961540, 15440387, 30880774, 61761548, 77201935, 154403870, 308807740]

約数ペア:

[(1, 308807740), (2, 154403870), (4, 77201935), (5, 61761548), (10, 30880774), (20, 15440387), (31, 9961540), (62, 4980770), (124, 2490385), (155, 1992308), (310, 996154), (620, 498077), (961, 321340), (1922, 160670), (3844, 80335), (4805, 64268), (9610, 32134), (16067, 19220)]