72445030

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{21121}}^1$

素因数の和:21149

約数の個数: 32

約数和(自身を含む): 152078400

約数和(自身を除く): 79633370

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 21121, 42242, 105605, 147847, 211210, 295694, 739235, 1034929, 1478470, 2069858, 5174645, 7244503, 10349290, 14489006, 36222515, 72445030]

約数ペア:

[(1, 72445030), (2, 36222515), (5, 14489006), (7, 10349290), (10, 7244503), (14, 5174645), (35, 2069858), (49, 1478470), (70, 1034929), (98, 739235), (245, 295694), (343, 211210), (490, 147847), (686, 105605), (1715, 42242), (3430, 21121)]