145240760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{518717}}^1$

素因数の和:518735

約数の個数: 32

約数和(自身を含む): 373476960

約数和(自身を除く): 228236200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 518717, 1037434, 2074868, 2593585, 3631019, 4149736, 5187170, 7262038, 10374340, 14524076, 18155095, 20748680, 29048152, 36310190, 72620380, 145240760]

約数ペア:

[(1, 145240760), (2, 72620380), (4, 36310190), (5, 29048152), (7, 20748680), (8, 18155095), (10, 14524076), (14, 10374340), (20, 7262038), (28, 5187170), (35, 4149736), (40, 3631019), (56, 2593585), (70, 2074868), (140, 1037434), (280, 518717)]