188721920

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3137}}^1$

素因数の和:3205

約数の個数: 72

約数和(自身を含む): 461813184

約数和(自身を除く): 273091264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 640, 752, 940, 1280, 1504, 1880, 3008, 3137, 3760, 6016, 6274, 7520, 12032, 12548, 15040, 15685, 25096, 30080, 31370, 50192, 60160, 62740, 100384, 125480, 147439, 200768, 250960, 294878, 401536, 501920, 589756, 737195, 803072, 1003840, 1179512, 1474390, 2007680, 2359024, 2948780, 4015360, 4718048, 5897560, 9436096, 11795120, 18872192, 23590240, 37744384, 47180480, 94360960, 188721920]

約数ペア:

[(1, 188721920), (2, 94360960), (4, 47180480), (5, 37744384), (8, 23590240), (10, 18872192), (16, 11795120), (20, 9436096), (32, 5897560), (40, 4718048), (47, 4015360), (64, 2948780), (80, 2359024), (94, 2007680), (128, 1474390), (160, 1179512), (188, 1003840), (235, 803072), (256, 737195), (320, 589756), (376, 501920), (470, 401536), (640, 294878), (752, 250960), (940, 200768), (1280, 147439), (1504, 125480), (1880, 100384), (3008, 62740), (3137, 60160), (3760, 50192), (6016, 31370), (6274, 30080), (7520, 25096), (12032, 15685), (12548, 15040)]