78923740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1597}}^1$

素因数の和:1966

約数の個数: 48

約数和(自身を含む): 190072512

約数和(自身を除く): 111148772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1412, 1597, 1765, 2471, 3194, 3530, 4942, 6388, 7060, 7985, 9884, 11179, 12355, 15970, 22358, 24710, 31940, 44716, 49420, 55895, 111790, 223580, 563741, 1127482, 2254964, 2818705, 3946187, 5637410, 7892374, 11274820, 15784748, 19730935, 39461870, 78923740]

約数ペア:

[(1, 78923740), (2, 39461870), (4, 19730935), (5, 15784748), (7, 11274820), (10, 7892374), (14, 5637410), (20, 3946187), (28, 2818705), (35, 2254964), (70, 1127482), (140, 563741), (353, 223580), (706, 111790), (1412, 55895), (1597, 49420), (1765, 44716), (2471, 31940), (3194, 24710), (3530, 22358), (4942, 15970), (6388, 12355), (7060, 11179), (7985, 9884)]