42707390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1951}}^1$

素因数の和:2168

約数の個数: 32

約数和(自身を含む): 84326400

約数和(自身を除く): 41619010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1951, 1990, 2189, 3902, 4378, 9755, 10945, 19510, 21461, 21890, 42922, 107305, 214610, 388249, 776498, 1941245, 3882490, 4270739, 8541478, 21353695, 42707390]

約数ペア:

[(1, 42707390), (2, 21353695), (5, 8541478), (10, 4270739), (11, 3882490), (22, 1941245), (55, 776498), (110, 388249), (199, 214610), (398, 107305), (995, 42922), (1951, 21890), (1990, 21461), (2189, 19510), (3902, 10945), (4378, 9755)]