72130205

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 105787440

約数和(自身を除く): 33657235

約数列:

[1, 5, 7, 35, 37, 49, 73, 109, 185, 245, 259, 365, 511, 545, 763, 1295, 1813, 2555, 2701, 3577, 3815, 4033, 5341, 7957, 9065, 13505, 17885, 18907, 20165, 26705, 28231, 39785, 55699, 94535, 132349, 141155, 197617, 278495, 294409, 389893, 661745, 988085, 1472045, 1949465, 2060863, 10304315, 14426041, 72130205]

約数ペア:

[(1, 72130205), (5, 14426041), (7, 10304315), (35, 2060863), (37, 1949465), (49, 1472045), (73, 988085), (109, 661745), (185, 389893), (245, 294409), (259, 278495), (365, 197617), (511, 141155), (545, 132349), (763, 94535), (1295, 55699), (1813, 39785), (2555, 28231), (2701, 26705), (3577, 20165), (3815, 18907), (4033, 17885), (5341, 13505), (7957, 9065)]