287700980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{8527}}^1$

素因数の和:8784

約数の個数: 48

約数和(自身を含む): 693428736

約数和(自身を除く): 405727756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1205, 1687, 2410, 3374, 4820, 6748, 8435, 8527, 16870, 17054, 33740, 34108, 42635, 59689, 85270, 119378, 170540, 238756, 298445, 596890, 1193780, 2055007, 4110014, 8220028, 10275035, 14385049, 20550070, 28770098, 41100140, 57540196, 71925245, 143850490, 287700980]

約数ペア:

[(1, 287700980), (2, 143850490), (4, 71925245), (5, 57540196), (7, 41100140), (10, 28770098), (14, 20550070), (20, 14385049), (28, 10275035), (35, 8220028), (70, 4110014), (140, 2055007), (241, 1193780), (482, 596890), (964, 298445), (1205, 238756), (1687, 170540), (2410, 119378), (3374, 85270), (4820, 59689), (6748, 42635), (8435, 34108), (8527, 33740), (16870, 17054)]