284950720

素因数分解:

$2^6\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2243}}^1$

素因数の和:2657

約数の個数: 56

約数和(自身を含む): 680551344

約数和(自身を除く): 395600624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 397, 794, 1588, 1985, 2243, 3176, 3970, 4486, 6352, 7940, 8972, 11215, 12704, 15880, 17944, 22430, 25408, 31760, 35888, 44860, 63520, 71776, 89720, 127040, 143552, 179440, 358880, 717760, 890471, 1780942, 3561884, 4452355, 7123768, 8904710, 14247536, 17809420, 28495072, 35618840, 56990144, 71237680, 142475360, 284950720]

約数ペア:

[(1, 284950720), (2, 142475360), (4, 71237680), (5, 56990144), (8, 35618840), (10, 28495072), (16, 17809420), (20, 14247536), (32, 8904710), (40, 7123768), (64, 4452355), (80, 3561884), (160, 1780942), (320, 890471), (397, 717760), (794, 358880), (1588, 179440), (1985, 143552), (2243, 127040), (3176, 89720), (3970, 71776), (4486, 63520), (6352, 44860), (7940, 35888), (8972, 31760), (11215, 25408), (12704, 22430), (15880, 17944)]