447794380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 1098252288

約数和(自身を除く): 650457908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 47, 55, 62, 94, 110, 121, 124, 127, 155, 188, 220, 235, 242, 254, 310, 341, 470, 484, 508, 517, 605, 620, 635, 682, 940, 1034, 1210, 1270, 1364, 1397, 1457, 1705, 2068, 2420, 2540, 2585, 2794, 2914, 3410, 3751, 3937, 5170, 5588, 5687, 5828, 5969, 6820, 6985, 7285, 7502, 7874, 10340, 11374, 11938, 13970, 14570, 15004, 15367, 15748, 16027, 18755, 19685, 22748, 23876, 27940, 28435, 29140, 29845, 30734, 32054, 37510, 39370, 43307, 56870, 59690, 61468, 64108, 65659, 75020, 76835, 78740, 80135, 86614, 113740, 119380, 131318, 153670, 160270, 173228, 176297, 185039, 216535, 262636, 307340, 320540, 328295, 352594, 370078, 433070, 476377, 656590, 705188, 722249, 740156, 866140, 881485, 925195, 952754, 1313180, 1444498, 1762970, 1850390, 1905508, 2035429, 2381885, 2888996, 3525940, 3611245, 3700780, 4070858, 4763770, 7222490, 8141716, 9527540, 10177145, 14444980, 20354290, 22389719, 40708580, 44779438, 89558876, 111948595, 223897190, 447794380]

約数ペア:

[(1, 447794380), (2, 223897190), (4, 111948595), (5, 89558876), (10, 44779438), (11, 40708580), (20, 22389719), (22, 20354290), (31, 14444980), (44, 10177145), (47, 9527540), (55, 8141716), (62, 7222490), (94, 4763770), (110, 4070858), (121, 3700780), (124, 3611245), (127, 3525940), (155, 2888996), (188, 2381885), (220, 2035429), (235, 1905508), (242, 1850390), (254, 1762970), (310, 1444498), (341, 1313180), (470, 952754), (484, 925195), (508, 881485), (517, 866140), (605, 740156), (620, 722249), (635, 705188), (682, 656590), (940, 476377), (1034, 433070), (1210, 370078), (1270, 352594), (1364, 328295), (1397, 320540), (1457, 307340), (1705, 262636), (2068, 216535), (2420, 185039), (2540, 176297), (2585, 173228), (2794, 160270), (2914, 153670), (3410, 131318), (3751, 119380), (3937, 113740), (5170, 86614), (5588, 80135), (5687, 78740), (5828, 76835), (5969, 75020), (6820, 65659), (6985, 64108), (7285, 61468), (7502, 59690), (7874, 56870), (10340, 43307), (11374, 39370), (11938, 37510), (13970, 32054), (14570, 30734), (15004, 29845), (15367, 29140), (15748, 28435), (16027, 27940), (18755, 23876), (19685, 22748)]