7445740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^2$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 16150176

約数和(自身を除く): 8704436

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 178, 188, 235, 356, 445, 470, 890, 940, 1780, 4183, 7921, 8366, 15842, 16732, 20915, 31684, 39605, 41830, 79210, 83660, 158420, 372287, 744574, 1489148, 1861435, 3722870, 7445740]

約数ペア:

[(1, 7445740), (2, 3722870), (4, 1861435), (5, 1489148), (10, 744574), (20, 372287), (47, 158420), (89, 83660), (94, 79210), (178, 41830), (188, 39605), (235, 31684), (356, 20915), (445, 16732), (470, 15842), (890, 8366), (940, 7921), (1780, 4183)]