172997180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4201}}^1$

素因数の和:4310

約数の個数: 48

約数和(自身を含む): 381205440

約数和(自身を除く): 208208260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1420, 2059, 4118, 4201, 8236, 8402, 10295, 16804, 20590, 21005, 41180, 42010, 84020, 121829, 243658, 298271, 487316, 596542, 609145, 1193084, 1218290, 1491355, 2436580, 2982710, 5965420, 8649859, 17299718, 34599436, 43249295, 86498590, 172997180]

約数ペア:

[(1, 172997180), (2, 86498590), (4, 43249295), (5, 34599436), (10, 17299718), (20, 8649859), (29, 5965420), (58, 2982710), (71, 2436580), (116, 1491355), (142, 1218290), (145, 1193084), (284, 609145), (290, 596542), (355, 487316), (580, 298271), (710, 243658), (1420, 121829), (2059, 84020), (4118, 42010), (4201, 41180), (8236, 21005), (8402, 20590), (10295, 16804)]