72209950

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 138116160

約数和(自身を除く): 65906210

約数列:

[1, 2, 5, 10, 25, 50, 79, 101, 158, 181, 202, 362, 395, 505, 790, 905, 1010, 1810, 1975, 2525, 3950, 4525, 5050, 7979, 9050, 14299, 15958, 18281, 28598, 36562, 39895, 71495, 79790, 91405, 142990, 182810, 199475, 357475, 398950, 457025, 714950, 914050, 1444199, 2888398, 7220995, 14441990, 36104975, 72209950]

約数ペア:

[(1, 72209950), (2, 36104975), (5, 14441990), (10, 7220995), (25, 2888398), (50, 1444199), (79, 914050), (101, 714950), (158, 457025), (181, 398950), (202, 357475), (362, 199475), (395, 182810), (505, 142990), (790, 91405), (905, 79790), (1010, 71495), (1810, 39895), (1975, 36562), (2525, 28598), (3950, 18281), (4525, 15958), (5050, 14299), (7979, 9050)]