84418180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 231662592

約数和(自身を除く): 147244412

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 49, 55, 70, 77, 82, 98, 110, 140, 154, 164, 191, 196, 205, 220, 245, 287, 308, 382, 385, 410, 451, 490, 539, 574, 764, 770, 820, 902, 955, 980, 1078, 1148, 1337, 1435, 1540, 1804, 1910, 2009, 2101, 2156, 2255, 2674, 2695, 2870, 3157, 3820, 4018, 4202, 4510, 5348, 5390, 5740, 6314, 6685, 7831, 8036, 8404, 9020, 9359, 10045, 10505, 10780, 12628, 13370, 14707, 15662, 15785, 18718, 20090, 21010, 22099, 26740, 29414, 31324, 31570, 37436, 39155, 40180, 42020, 44198, 46795, 54817, 58828, 63140, 73535, 78310, 86141, 88396, 93590, 102949, 109634, 110495, 147070, 156620, 172282, 187180, 205898, 219268, 220990, 274085, 294140, 344564, 383719, 411796, 430705, 441980, 514745, 548170, 602987, 767438, 861410, 1029490, 1096340, 1205974, 1534876, 1722820, 1918595, 2058980, 2411948, 3014935, 3837190, 4220909, 6029870, 7674380, 8441818, 12059740, 16883636, 21104545, 42209090, 84418180]

約数ペア:

[(1, 84418180), (2, 42209090), (4, 21104545), (5, 16883636), (7, 12059740), (10, 8441818), (11, 7674380), (14, 6029870), (20, 4220909), (22, 3837190), (28, 3014935), (35, 2411948), (41, 2058980), (44, 1918595), (49, 1722820), (55, 1534876), (70, 1205974), (77, 1096340), (82, 1029490), (98, 861410), (110, 767438), (140, 602987), (154, 548170), (164, 514745), (191, 441980), (196, 430705), (205, 411796), (220, 383719), (245, 344564), (287, 294140), (308, 274085), (382, 220990), (385, 219268), (410, 205898), (451, 187180), (490, 172282), (539, 156620), (574, 147070), (764, 110495), (770, 109634), (820, 102949), (902, 93590), (955, 88396), (980, 86141), (1078, 78310), (1148, 73535), (1337, 63140), (1435, 58828), (1540, 54817), (1804, 46795), (1910, 44198), (2009, 42020), (2101, 40180), (2156, 39155), (2255, 37436), (2674, 31570), (2695, 31324), (2870, 29414), (3157, 26740), (3820, 22099), (4018, 21010), (4202, 20090), (4510, 18718), (5348, 15785), (5390, 15662), (5740, 14707), (6314, 13370), (6685, 12628), (7831, 10780), (8036, 10505), (8404, 10045), (9020, 9359)]