1279604990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1861}}^1\times {\mathrm{2371}}^1$

素因数の和:4268

約数の個数: 32

約数和(自身を含む): 2384998560

約数和(自身を除く): 1105393570

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 1861, 2371, 3722, 4742, 9305, 11855, 18610, 23710, 53969, 68759, 107938, 137518, 269845, 343795, 539690, 687590, 4412431, 8824862, 22062155, 44124310, 127960499, 255920998, 639802495, 1279604990]

約数ペア:

[(1, 1279604990), (2, 639802495), (5, 255920998), (10, 127960499), (29, 44124310), (58, 22062155), (145, 8824862), (290, 4412431), (1861, 687590), (2371, 539690), (3722, 343795), (4742, 269845), (9305, 137518), (11855, 107938), (18610, 68759), (23710, 53969)]