306928520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1949}}^1$

素因数の和:2118

約数の個数: 64

約数和(自身を含む): 718848000

約数和(自身を除く): 411919480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1016, 1240, 1270, 1949, 2540, 3898, 3937, 5080, 7796, 7874, 9745, 15592, 15748, 19490, 19685, 31496, 38980, 39370, 60419, 77960, 78740, 120838, 157480, 241676, 247523, 302095, 483352, 495046, 604190, 990092, 1208380, 1237615, 1980184, 2416760, 2475230, 4950460, 7673213, 9900920, 15346426, 30692852, 38366065, 61385704, 76732130, 153464260, 306928520]

約数ペア:

[(1, 306928520), (2, 153464260), (4, 76732130), (5, 61385704), (8, 38366065), (10, 30692852), (20, 15346426), (31, 9900920), (40, 7673213), (62, 4950460), (124, 2475230), (127, 2416760), (155, 1980184), (248, 1237615), (254, 1208380), (310, 990092), (508, 604190), (620, 495046), (635, 483352), (1016, 302095), (1240, 247523), (1270, 241676), (1949, 157480), (2540, 120838), (3898, 78740), (3937, 77960), (5080, 60419), (7796, 39370), (7874, 38980), (9745, 31496), (15592, 19685), (15748, 19490)]