205920100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{108379}}^1$

素因数の和:108412

約数の個数: 36

約数和(自身を含む): 470369200

約数和(自身を除く): 264449100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 108379, 216758, 433516, 541895, 1083790, 2059201, 2167580, 2709475, 4118402, 5418950, 8236804, 10296005, 10837900, 20592010, 41184020, 51480025, 102960050, 205920100]

約数ペア:

[(1, 205920100), (2, 102960050), (4, 51480025), (5, 41184020), (10, 20592010), (19, 10837900), (20, 10296005), (25, 8236804), (38, 5418950), (50, 4118402), (76, 2709475), (95, 2167580), (100, 2059201), (190, 1083790), (380, 541895), (475, 433516), (950, 216758), (1900, 108379)]