571883740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{18899}}^1$

素因数の和:19014

約数の個数: 48

約数和(自身を含む): 1285956000

約数和(自身を除く): 714072260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 3026, 6052, 7565, 15130, 18899, 30260, 37798, 75596, 94495, 188990, 321283, 377980, 642566, 1285132, 1606415, 1682011, 3212830, 3364022, 6425660, 6728044, 8410055, 16820110, 28594187, 33640220, 57188374, 114376748, 142970935, 285941870, 571883740]

約数ペア:

[(1, 571883740), (2, 285941870), (4, 142970935), (5, 114376748), (10, 57188374), (17, 33640220), (20, 28594187), (34, 16820110), (68, 8410055), (85, 6728044), (89, 6425660), (170, 3364022), (178, 3212830), (340, 1682011), (356, 1606415), (445, 1285132), (890, 642566), (1513, 377980), (1780, 321283), (3026, 188990), (6052, 94495), (7565, 75596), (15130, 37798), (18899, 30260)]