204121400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{691}}^1$

素因数の和:925

約数の個数: 96

約数和(自身を含む): 545738880

約数和(自身を除く): 341617480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 211, 280, 350, 422, 691, 700, 844, 1055, 1382, 1400, 1477, 1688, 2110, 2764, 2954, 3455, 4220, 4837, 5275, 5528, 5908, 6910, 7385, 8440, 9674, 10550, 11816, 13820, 14770, 17275, 19348, 21100, 24185, 27640, 29540, 34550, 36925, 38696, 42200, 48370, 59080, 69100, 73850, 96740, 120925, 138200, 145801, 147700, 193480, 241850, 291602, 295400, 483700, 583204, 729005, 967400, 1020607, 1166408, 1458010, 2041214, 2916020, 3645025, 4082428, 5103035, 5832040, 7290050, 8164856, 10206070, 14580100, 20412140, 25515175, 29160200, 40824280, 51030350, 102060700, 204121400]

約数ペア:

[(1, 204121400), (2, 102060700), (4, 51030350), (5, 40824280), (7, 29160200), (8, 25515175), (10, 20412140), (14, 14580100), (20, 10206070), (25, 8164856), (28, 7290050), (35, 5832040), (40, 5103035), (50, 4082428), (56, 3645025), (70, 2916020), (100, 2041214), (140, 1458010), (175, 1166408), (200, 1020607), (211, 967400), (280, 729005), (350, 583204), (422, 483700), (691, 295400), (700, 291602), (844, 241850), (1055, 193480), (1382, 147700), (1400, 145801), (1477, 138200), (1688, 120925), (2110, 96740), (2764, 73850), (2954, 69100), (3455, 59080), (4220, 48370), (4837, 42200), (5275, 38696), (5528, 36925), (5908, 34550), (6910, 29540), (7385, 27640), (8440, 24185), (9674, 21100), (10550, 19348), (11816, 17275), (13820, 14770)]