719628140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1847}}^1$

素因数の和:1908

約数の個数: 144

約数和(自身を含む): 1982002176

約数和(自身を除く): 1262374036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 121, 140, 154, 161, 220, 230, 242, 253, 308, 322, 385, 460, 484, 506, 605, 644, 770, 805, 847, 1012, 1210, 1265, 1540, 1610, 1694, 1771, 1847, 2420, 2530, 2783, 3220, 3388, 3542, 3694, 4235, 5060, 5566, 7084, 7388, 8470, 8855, 9235, 11132, 12929, 13915, 16940, 17710, 18470, 19481, 20317, 25858, 27830, 35420, 36940, 38962, 40634, 42481, 51716, 55660, 64645, 77924, 81268, 84962, 97405, 101585, 129290, 142219, 169924, 194810, 203170, 212405, 223487, 258580, 284438, 297367, 389620, 406340, 424810, 446974, 467291, 568876, 594734, 711095, 849620, 893948, 934582, 1117435, 1189468, 1422190, 1486835, 1564409, 1869164, 2234870, 2336455, 2844380, 2973670, 3128818, 3271037, 4469740, 4672910, 5140201, 5947340, 6257636, 6542074, 7822045, 9345820, 10280402, 13084148, 15644090, 16355185, 20560804, 25701005, 31288180, 32710370, 35981407, 51402010, 65420740, 71962814, 102804020, 143925628, 179907035, 359814070, 719628140]

約数ペア:

[(1, 719628140), (2, 359814070), (4, 179907035), (5, 143925628), (7, 102804020), (10, 71962814), (11, 65420740), (14, 51402010), (20, 35981407), (22, 32710370), (23, 31288180), (28, 25701005), (35, 20560804), (44, 16355185), (46, 15644090), (55, 13084148), (70, 10280402), (77, 9345820), (92, 7822045), (110, 6542074), (115, 6257636), (121, 5947340), (140, 5140201), (154, 4672910), (161, 4469740), (220, 3271037), (230, 3128818), (242, 2973670), (253, 2844380), (308, 2336455), (322, 2234870), (385, 1869164), (460, 1564409), (484, 1486835), (506, 1422190), (605, 1189468), (644, 1117435), (770, 934582), (805, 893948), (847, 849620), (1012, 711095), (1210, 594734), (1265, 568876), (1540, 467291), (1610, 446974), (1694, 424810), (1771, 406340), (1847, 389620), (2420, 297367), (2530, 284438), (2783, 258580), (3220, 223487), (3388, 212405), (3542, 203170), (3694, 194810), (4235, 169924), (5060, 142219), (5566, 129290), (7084, 101585), (7388, 97405), (8470, 84962), (8855, 81268), (9235, 77924), (11132, 64645), (12929, 55660), (13915, 51716), (16940, 42481), (17710, 40634), (18470, 38962), (19481, 36940), (20317, 35420), (25858, 27830)]