222119080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1451}}^1$

素因数の和:1594

約数の個数: 64

約数和(自身を含む): 517492800

約数和(自身を除く): 295373720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 344, 356, 430, 445, 712, 860, 890, 1451, 1720, 1780, 2902, 3560, 3827, 5804, 7255, 7654, 11608, 14510, 15308, 19135, 29020, 30616, 38270, 58040, 62393, 76540, 124786, 129139, 153080, 249572, 258278, 311965, 499144, 516556, 623930, 645695, 1033112, 1247860, 1291390, 2495720, 2582780, 5165560, 5552977, 11105954, 22211908, 27764885, 44423816, 55529770, 111059540, 222119080]

約数ペア:

[(1, 222119080), (2, 111059540), (4, 55529770), (5, 44423816), (8, 27764885), (10, 22211908), (20, 11105954), (40, 5552977), (43, 5165560), (86, 2582780), (89, 2495720), (172, 1291390), (178, 1247860), (215, 1033112), (344, 645695), (356, 623930), (430, 516556), (445, 499144), (712, 311965), (860, 258278), (890, 249572), (1451, 153080), (1720, 129139), (1780, 124786), (2902, 76540), (3560, 62393), (3827, 58040), (5804, 38270), (7255, 30616), (7654, 29020), (11608, 19135), (14510, 15308)]