84869180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^2$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 201244176

約数和(自身を除く): 116374996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 97, 110, 164, 194, 205, 220, 388, 410, 451, 485, 820, 902, 970, 1067, 1804, 1940, 2134, 2255, 3977, 4268, 4510, 5335, 7954, 9020, 9409, 10670, 15908, 18818, 19885, 21340, 37636, 39770, 43747, 47045, 79540, 87494, 94090, 103499, 174988, 188180, 206998, 218735, 385769, 413996, 437470, 517495, 771538, 874940, 1034990, 1543076, 1928845, 2069980, 3857690, 4243459, 7715380, 8486918, 16973836, 21217295, 42434590, 84869180]

約数ペア:

[(1, 84869180), (2, 42434590), (4, 21217295), (5, 16973836), (10, 8486918), (11, 7715380), (20, 4243459), (22, 3857690), (41, 2069980), (44, 1928845), (55, 1543076), (82, 1034990), (97, 874940), (110, 771538), (164, 517495), (194, 437470), (205, 413996), (220, 385769), (388, 218735), (410, 206998), (451, 188180), (485, 174988), (820, 103499), (902, 94090), (970, 87494), (1067, 79540), (1804, 47045), (1940, 43747), (2134, 39770), (2255, 37636), (3977, 21340), (4268, 19885), (4510, 18818), (5335, 15908), (7954, 10670), (9020, 9409)]