30744140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5107}}^1$

素因数の和:5166

約数の個数: 48

約数和(自身を含む): 75516672

約数和(自身を除く): 44772532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 5107, 6020, 10214, 20428, 25535, 35749, 51070, 71498, 102140, 142996, 178745, 219601, 357490, 439202, 714980, 878404, 1098005, 1537207, 2196010, 3074414, 4392020, 6148828, 7686035, 15372070, 30744140]

約数ペア:

[(1, 30744140), (2, 15372070), (4, 7686035), (5, 6148828), (7, 4392020), (10, 3074414), (14, 2196010), (20, 1537207), (28, 1098005), (35, 878404), (43, 714980), (70, 439202), (86, 357490), (140, 219601), (172, 178745), (215, 142996), (301, 102140), (430, 71498), (602, 51070), (860, 35749), (1204, 25535), (1505, 20428), (3010, 10214), (5107, 6020)]