203779120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 493682688

約数和(自身を除く): 289903568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 647, 1016, 1240, 1270, 1294, 2032, 2480, 2540, 2588, 3235, 3937, 5080, 5176, 6470, 7874, 10160, 10352, 12940, 15748, 19685, 20057, 25880, 31496, 39370, 40114, 51760, 62992, 78740, 80228, 82169, 100285, 157480, 160456, 164338, 200570, 314960, 320912, 328676, 401140, 410845, 657352, 802280, 821690, 1314704, 1604560, 1643380, 2547239, 3286760, 5094478, 6573520, 10188956, 12736195, 20377912, 25472390, 40755824, 50944780, 101889560, 203779120]

約数ペア:

[(1, 203779120), (2, 101889560), (4, 50944780), (5, 40755824), (8, 25472390), (10, 20377912), (16, 12736195), (20, 10188956), (31, 6573520), (40, 5094478), (62, 3286760), (80, 2547239), (124, 1643380), (127, 1604560), (155, 1314704), (248, 821690), (254, 802280), (310, 657352), (496, 410845), (508, 401140), (620, 328676), (635, 320912), (647, 314960), (1016, 200570), (1240, 164338), (1270, 160456), (1294, 157480), (2032, 100285), (2480, 82169), (2540, 80228), (2588, 78740), (3235, 62992), (3937, 51760), (5080, 40114), (5176, 39370), (6470, 31496), (7874, 25880), (10160, 20057), (10352, 19685), (12940, 15748)]