85414780

素因数分解:

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

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 196761600

約数和(自身を除く): 111346820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1951, 1990, 2189, 3902, 3980, 4378, 7804, 8756, 9755, 10945, 19510, 21461, 21890, 39020, 42922, 43780, 85844, 107305, 214610, 388249, 429220, 776498, 1552996, 1941245, 3882490, 4270739, 7764980, 8541478, 17082956, 21353695, 42707390, 85414780]

約数ペア:

[(1, 85414780), (2, 42707390), (4, 21353695), (5, 17082956), (10, 8541478), (11, 7764980), (20, 4270739), (22, 3882490), (44, 1941245), (55, 1552996), (110, 776498), (199, 429220), (220, 388249), (398, 214610), (796, 107305), (995, 85844), (1951, 43780), (1990, 42922), (2189, 39020), (3902, 21890), (3980, 21461), (4378, 19510), (7804, 10945), (8756, 9755)]