42782740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2137}}^1$

素因数の和:2177

約数の個数: 96

約数和(自身を含む): 120685824

約数和(自身を除く): 77903084

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2137, 2860, 4004, 4274, 5005, 8548, 10010, 10685, 14959, 20020, 21370, 23507, 27781, 29918, 42740, 47014, 55562, 59836, 74795, 94028, 111124, 117535, 138905, 149590, 164549, 194467, 235070, 277810, 299180, 305591, 329098, 388934, 470140, 555620, 611182, 658196, 777868, 822745, 972335, 1222364, 1527955, 1645490, 1944670, 2139137, 3055910, 3290980, 3889340, 4278274, 6111820, 8556548, 10695685, 21391370, 42782740]

約数ペア:

[(1, 42782740), (2, 21391370), (4, 10695685), (5, 8556548), (7, 6111820), (10, 4278274), (11, 3889340), (13, 3290980), (14, 3055910), (20, 2139137), (22, 1944670), (26, 1645490), (28, 1527955), (35, 1222364), (44, 972335), (52, 822745), (55, 777868), (65, 658196), (70, 611182), (77, 555620), (91, 470140), (110, 388934), (130, 329098), (140, 305591), (143, 299180), (154, 277810), (182, 235070), (220, 194467), (260, 164549), (286, 149590), (308, 138905), (364, 117535), (385, 111124), (455, 94028), (572, 74795), (715, 59836), (770, 55562), (910, 47014), (1001, 42740), (1430, 29918), (1540, 27781), (1820, 23507), (2002, 21370), (2137, 20020), (2860, 14959), (4004, 10685), (4274, 10010), (5005, 8548)]