397976260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{3499}}^1$

素因数の和:3577

約数の個数: 72

約数和(自身を含む): 938448000

約数和(自身を除く): 540471740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 121, 188, 220, 235, 242, 470, 484, 517, 605, 940, 1034, 1210, 2068, 2420, 2585, 3499, 5170, 5687, 6998, 10340, 11374, 13996, 17495, 22748, 28435, 34990, 38489, 56870, 69980, 76978, 113740, 153956, 164453, 192445, 328906, 384890, 423379, 657812, 769780, 822265, 846758, 1644530, 1693516, 1808983, 2116895, 3289060, 3617966, 4233790, 7235932, 8467580, 9044915, 18089830, 19898813, 36179660, 39797626, 79595252, 99494065, 198988130, 397976260]

約数ペア:

[(1, 397976260), (2, 198988130), (4, 99494065), (5, 79595252), (10, 39797626), (11, 36179660), (20, 19898813), (22, 18089830), (44, 9044915), (47, 8467580), (55, 7235932), (94, 4233790), (110, 3617966), (121, 3289060), (188, 2116895), (220, 1808983), (235, 1693516), (242, 1644530), (470, 846758), (484, 822265), (517, 769780), (605, 657812), (940, 423379), (1034, 384890), (1210, 328906), (2068, 192445), (2420, 164453), (2585, 153956), (3499, 113740), (5170, 76978), (5687, 69980), (6998, 56870), (10340, 38489), (11374, 34990), (13996, 28435), (17495, 22748)]