9762940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 22579200

約数和(自身を除く): 12816260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 223, 398, 446, 796, 892, 995, 1115, 1990, 2189, 2230, 2453, 3980, 4378, 4460, 4906, 8756, 9812, 10945, 12265, 21890, 24530, 43780, 44377, 49060, 88754, 177508, 221885, 443770, 488147, 887540, 976294, 1952588, 2440735, 4881470, 9762940]

約数ペア:

[(1, 9762940), (2, 4881470), (4, 2440735), (5, 1952588), (10, 976294), (11, 887540), (20, 488147), (22, 443770), (44, 221885), (55, 177508), (110, 88754), (199, 49060), (220, 44377), (223, 43780), (398, 24530), (446, 21890), (796, 12265), (892, 10945), (995, 9812), (1115, 8756), (1990, 4906), (2189, 4460), (2230, 4378), (2453, 3980)]