1020383980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:900

約数の個数: 192

約数和(自身を含む): 2881105920

約数和(自身を除く): 1860721940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 43, 44, 55, 70, 76, 77, 86, 95, 110, 133, 140, 154, 172, 190, 209, 215, 220, 266, 301, 308, 380, 385, 418, 430, 473, 532, 602, 665, 770, 811, 817, 836, 860, 946, 1045, 1204, 1330, 1463, 1505, 1540, 1622, 1634, 1892, 2090, 2365, 2660, 2926, 3010, 3244, 3268, 3311, 4055, 4085, 4180, 4730, 5677, 5719, 5852, 6020, 6622, 7315, 8110, 8170, 8921, 8987, 9460, 11354, 11438, 13244, 14630, 15409, 16220, 16340, 16555, 17842, 17974, 22708, 22876, 28385, 28595, 29260, 30818, 33110, 34873, 35684, 35948, 44605, 44935, 56770, 57190, 61636, 62447, 62909, 66220, 69746, 77045, 89210, 89870, 107863, 113540, 114380, 124894, 125818, 139492, 154090, 169499, 174365, 178420, 179740, 215726, 244111, 249788, 251636, 308180, 312235, 314545, 338998, 348730, 383603, 431452, 488222, 539315, 624470, 629090, 662587, 677996, 697460, 767206, 847495, 976444, 1078630, 1186493, 1220555, 1248940, 1258180, 1325174, 1534412, 1694990, 1918015, 2157260, 2372986, 2441110, 2650348, 2685221, 3312935, 3389980, 3836030, 4638109, 4745972, 4882220, 5370442, 5932465, 6625870, 7288457, 7672060, 9276218, 10740884, 11864930, 13251740, 13426105, 14576914, 18552436, 23190545, 23729860, 26852210, 29153828, 36442285, 46381090, 51019199, 53704420, 72884570, 92762180, 102038398, 145769140, 204076796, 255095995, 510191990, 1020383980]

約数ペア:

[(1, 1020383980), (2, 510191990), (4, 255095995), (5, 204076796), (7, 145769140), (10, 102038398), (11, 92762180), (14, 72884570), (19, 53704420), (20, 51019199), (22, 46381090), (28, 36442285), (35, 29153828), (38, 26852210), (43, 23729860), (44, 23190545), (55, 18552436), (70, 14576914), (76, 13426105), (77, 13251740), (86, 11864930), (95, 10740884), (110, 9276218), (133, 7672060), (140, 7288457), (154, 6625870), (172, 5932465), (190, 5370442), (209, 4882220), (215, 4745972), (220, 4638109), (266, 3836030), (301, 3389980), (308, 3312935), (380, 2685221), (385, 2650348), (418, 2441110), (430, 2372986), (473, 2157260), (532, 1918015), (602, 1694990), (665, 1534412), (770, 1325174), (811, 1258180), (817, 1248940), (836, 1220555), (860, 1186493), (946, 1078630), (1045, 976444), (1204, 847495), (1330, 767206), (1463, 697460), (1505, 677996), (1540, 662587), (1622, 629090), (1634, 624470), (1892, 539315), (2090, 488222), (2365, 431452), (2660, 383603), (2926, 348730), (3010, 338998), (3244, 314545), (3268, 312235), (3311, 308180), (4055, 251636), (4085, 249788), (4180, 244111), (4730, 215726), (5677, 179740), (5719, 178420), (5852, 174365), (6020, 169499), (6622, 154090), (7315, 139492), (8110, 125818), (8170, 124894), (8921, 114380), (8987, 113540), (9460, 107863), (11354, 89870), (11438, 89210), (13244, 77045), (14630, 69746), (15409, 66220), (16220, 62909), (16340, 62447), (16555, 61636), (17842, 57190), (17974, 56770), (22708, 44935), (22876, 44605), (28385, 35948), (28595, 35684), (29260, 34873), (30818, 33110)]