2158660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{907}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 5491584

約数和(自身を除く): 3332924

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 907, 1190, 1814, 2380, 3628, 4535, 6349, 9070, 12698, 15419, 18140, 25396, 30838, 31745, 61676, 63490, 77095, 107933, 126980, 154190, 215866, 308380, 431732, 539665, 1079330, 2158660]

約数ペア:

[(1, 2158660), (2, 1079330), (4, 539665), (5, 431732), (7, 308380), (10, 215866), (14, 154190), (17, 126980), (20, 107933), (28, 77095), (34, 63490), (35, 61676), (68, 31745), (70, 30838), (85, 25396), (119, 18140), (140, 15419), (170, 12698), (238, 9070), (340, 6349), (476, 4535), (595, 3628), (907, 2380), (1190, 1814)]