17970260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1667}}^1$

素因数の和:1701

約数の個数: 72

約数和(自身を含む): 47918304

約数和(自身を除く): 29948044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 1667, 2156, 2695, 3334, 5390, 6668, 8335, 10780, 11669, 16670, 18337, 23338, 33340, 36674, 46676, 58345, 73348, 81683, 91685, 116690, 128359, 163366, 183370, 233380, 256718, 326732, 366740, 408415, 513436, 641795, 816830, 898513, 1283590, 1633660, 1797026, 2567180, 3594052, 4492565, 8985130, 17970260]

約数ペア:

[(1, 17970260), (2, 8985130), (4, 4492565), (5, 3594052), (7, 2567180), (10, 1797026), (11, 1633660), (14, 1283590), (20, 898513), (22, 816830), (28, 641795), (35, 513436), (44, 408415), (49, 366740), (55, 326732), (70, 256718), (77, 233380), (98, 183370), (110, 163366), (140, 128359), (154, 116690), (196, 91685), (220, 81683), (245, 73348), (308, 58345), (385, 46676), (490, 36674), (539, 33340), (770, 23338), (980, 18337), (1078, 16670), (1540, 11669), (1667, 10780), (2156, 8335), (2695, 6668), (3334, 5390)]