439511990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{4153}}^1$

素因数の和:4736

約数の個数: 32

約数和(自身を含む): 834455520

約数和(自身を除く): 394943530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 557, 1114, 2785, 4153, 5570, 8306, 10583, 20765, 21166, 41530, 52915, 78907, 105830, 157814, 394535, 789070, 2313221, 4626442, 11566105, 23132210, 43951199, 87902398, 219755995, 439511990]

約数ペア:

[(1, 439511990), (2, 219755995), (5, 87902398), (10, 43951199), (19, 23132210), (38, 11566105), (95, 4626442), (190, 2313221), (557, 789070), (1114, 394535), (2785, 157814), (4153, 105830), (5570, 78907), (8306, 52915), (10583, 41530), (20765, 21166)]