188781440

素因数分解:

$2^7\times 5^1\times {\mathrm{397}}^1\times {\mathrm{743}}^1$

素因数の和:1159

約数の個数: 64

約数和(自身を含む): 453051360

約数和(自身を除く): 264269920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 397, 640, 743, 794, 1486, 1588, 1985, 2972, 3176, 3715, 3970, 5944, 6352, 7430, 7940, 11888, 12704, 14860, 15880, 23776, 25408, 29720, 31760, 47552, 50816, 59440, 63520, 95104, 118880, 127040, 237760, 254080, 294971, 475520, 589942, 1179884, 1474855, 2359768, 2949710, 4719536, 5899420, 9439072, 11798840, 18878144, 23597680, 37756288, 47195360, 94390720, 188781440]

約数ペア:

[(1, 188781440), (2, 94390720), (4, 47195360), (5, 37756288), (8, 23597680), (10, 18878144), (16, 11798840), (20, 9439072), (32, 5899420), (40, 4719536), (64, 2949710), (80, 2359768), (128, 1474855), (160, 1179884), (320, 589942), (397, 475520), (640, 294971), (743, 254080), (794, 237760), (1486, 127040), (1588, 118880), (1985, 95104), (2972, 63520), (3176, 59440), (3715, 50816), (3970, 47552), (5944, 31760), (6352, 29720), (7430, 25408), (7940, 23776), (11888, 15880), (12704, 14860)]