76780220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1327}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 176698368

約数和(自身を除く): 99918148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 1052, 1315, 1327, 2630, 2654, 2893, 5260, 5308, 5786, 6635, 11572, 13270, 14465, 14597, 26540, 28930, 29194, 57860, 58388, 72985, 145970, 291940, 349001, 698002, 1396004, 1745005, 3490010, 3839011, 6980020, 7678022, 15356044, 19195055, 38390110, 76780220]

約数ペア:

[(1, 76780220), (2, 38390110), (4, 19195055), (5, 15356044), (10, 7678022), (11, 6980020), (20, 3839011), (22, 3490010), (44, 1745005), (55, 1396004), (110, 698002), (220, 349001), (263, 291940), (526, 145970), (1052, 72985), (1315, 58388), (1327, 57860), (2630, 29194), (2654, 28930), (2893, 26540), (5260, 14597), (5308, 14465), (5786, 13270), (6635, 11572)]