380951740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 885104640

約数和(自身を除く): 504152900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 127, 130, 139, 166, 254, 260, 278, 332, 415, 508, 556, 635, 695, 830, 1079, 1270, 1390, 1651, 1660, 1807, 2158, 2540, 2780, 3302, 3614, 4316, 5395, 6604, 7228, 8255, 9035, 10541, 10790, 11537, 16510, 17653, 18070, 21082, 21580, 23074, 33020, 35306, 36140, 42164, 46148, 52705, 57685, 70612, 88265, 105410, 115370, 137033, 149981, 176530, 210820, 229489, 230740, 274066, 299962, 353060, 458978, 548132, 599924, 685165, 749905, 917956, 1147445, 1370330, 1465199, 1499810, 2294890, 2740660, 2930398, 2999620, 4589780, 5860796, 7325995, 14651990, 19047587, 29303980, 38095174, 76190348, 95237935, 190475870, 380951740]

約数ペア:

[(1, 380951740), (2, 190475870), (4, 95237935), (5, 76190348), (10, 38095174), (13, 29303980), (20, 19047587), (26, 14651990), (52, 7325995), (65, 5860796), (83, 4589780), (127, 2999620), (130, 2930398), (139, 2740660), (166, 2294890), (254, 1499810), (260, 1465199), (278, 1370330), (332, 1147445), (415, 917956), (508, 749905), (556, 685165), (635, 599924), (695, 548132), (830, 458978), (1079, 353060), (1270, 299962), (1390, 274066), (1651, 230740), (1660, 229489), (1807, 210820), (2158, 176530), (2540, 149981), (2780, 137033), (3302, 115370), (3614, 105410), (4316, 88265), (5395, 70612), (6604, 57685), (7228, 52705), (8255, 46148), (9035, 42164), (10541, 36140), (10790, 35306), (11537, 33020), (16510, 23074), (17653, 21580), (18070, 21082)]