385668520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 915148800

約数和(自身を除く): 529480280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 127, 155, 158, 248, 254, 310, 316, 395, 508, 620, 632, 635, 790, 961, 1016, 1240, 1270, 1580, 1922, 2449, 2540, 3160, 3844, 3937, 4805, 4898, 5080, 7688, 7874, 9610, 9796, 10033, 12245, 15748, 19220, 19592, 19685, 20066, 24490, 31496, 38440, 39370, 40132, 48980, 50165, 75919, 78740, 80264, 97960, 100330, 122047, 151838, 157480, 200660, 244094, 303676, 311023, 379595, 401320, 488188, 607352, 610235, 622046, 759190, 976376, 1220470, 1244092, 1518380, 1555115, 2440940, 2488184, 3036760, 3110230, 4881880, 6220460, 9641713, 12440920, 19283426, 38566852, 48208565, 77133704, 96417130, 192834260, 385668520]

約数ペア:

[(1, 385668520), (2, 192834260), (4, 96417130), (5, 77133704), (8, 48208565), (10, 38566852), (20, 19283426), (31, 12440920), (40, 9641713), (62, 6220460), (79, 4881880), (124, 3110230), (127, 3036760), (155, 2488184), (158, 2440940), (248, 1555115), (254, 1518380), (310, 1244092), (316, 1220470), (395, 976376), (508, 759190), (620, 622046), (632, 610235), (635, 607352), (790, 488188), (961, 401320), (1016, 379595), (1240, 311023), (1270, 303676), (1580, 244094), (1922, 200660), (2449, 157480), (2540, 151838), (3160, 122047), (3844, 100330), (3937, 97960), (4805, 80264), (4898, 78740), (5080, 75919), (7688, 50165), (7874, 48980), (9610, 40132), (9796, 39370), (10033, 38440), (12245, 31496), (15748, 24490), (19220, 20066), (19592, 19685)]