2783113940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1697}}^1\times {\mathrm{1907}}^1$

素因数の和:3656

約数の個数: 48

約数和(自身を含む): 5987120832

約数和(自身を除く): 3204006892

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1697, 1907, 3394, 3814, 6788, 7628, 8485, 9535, 16970, 19070, 33940, 38140, 72971, 82001, 145942, 164002, 291884, 328004, 364855, 410005, 729710, 820010, 1459420, 1640020, 3236179, 6472358, 12944716, 16180895, 32361790, 64723580, 139155697, 278311394, 556622788, 695778485, 1391556970, 2783113940]

約数ペア:

[(1, 2783113940), (2, 1391556970), (4, 695778485), (5, 556622788), (10, 278311394), (20, 139155697), (43, 64723580), (86, 32361790), (172, 16180895), (215, 12944716), (430, 6472358), (860, 3236179), (1697, 1640020), (1907, 1459420), (3394, 820010), (3814, 729710), (6788, 410005), (7628, 364855), (8485, 328004), (9535, 291884), (16970, 164002), (19070, 145942), (33940, 82001), (38140, 72971)]