2019986155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 3135283200

約数和(自身を除く): 1115297045

約数列:

[1, 5, 11, 17, 23, 29, 41, 55, 79, 85, 115, 145, 187, 205, 253, 319, 391, 395, 451, 493, 667, 697, 869, 935, 943, 1189, 1265, 1343, 1595, 1817, 1955, 2255, 2291, 2465, 3239, 3335, 3485, 4301, 4345, 4715, 5423, 5945, 6715, 7337, 7667, 9085, 10373, 11339, 11455, 13079, 14773, 16031, 16195, 19987, 20213, 21505, 25201, 27115, 27347, 30889, 35629, 36685, 38335, 38947, 51865, 52693, 55063, 56695, 65395, 73865, 74497, 80155, 93931, 99935, 101065, 124729, 126005, 136735, 154445, 176341, 178145, 194735, 222343, 263465, 275315, 300817, 339779, 372485, 428417, 464899, 469655, 579623, 605693, 623645, 819467, 881705, 895781, 1033241, 1111715, 1266449, 1504085, 1596827, 1698895, 2142085, 2160413, 2324495, 2898115, 3028465, 4097335, 4478905, 5113889, 5166205, 6332245, 7984135, 9853591, 10802065, 13930939, 17565097, 23764543, 25569445, 36727021, 49267955, 69654695, 87825485, 118822715, 183635105, 403997231, 2019986155]

約数ペア:

[(1, 2019986155), (5, 403997231), (11, 183635105), (17, 118822715), (23, 87825485), (29, 69654695), (41, 49267955), (55, 36727021), (79, 25569445), (85, 23764543), (115, 17565097), (145, 13930939), (187, 10802065), (205, 9853591), (253, 7984135), (319, 6332245), (391, 5166205), (395, 5113889), (451, 4478905), (493, 4097335), (667, 3028465), (697, 2898115), (869, 2324495), (935, 2160413), (943, 2142085), (1189, 1698895), (1265, 1596827), (1343, 1504085), (1595, 1266449), (1817, 1111715), (1955, 1033241), (2255, 895781), (2291, 881705), (2465, 819467), (3239, 623645), (3335, 605693), (3485, 579623), (4301, 469655), (4345, 464899), (4715, 428417), (5423, 372485), (5945, 339779), (6715, 300817), (7337, 275315), (7667, 263465), (9085, 222343), (10373, 194735), (11339, 178145), (11455, 176341), (13079, 154445), (14773, 136735), (16031, 126005), (16195, 124729), (19987, 101065), (20213, 99935), (21505, 93931), (25201, 80155), (27115, 74497), (27347, 73865), (30889, 65395), (35629, 56695), (36685, 55063), (38335, 52693), (38947, 51865)]