123689690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{2089}}^1$

素因数の和:2318

約数の個数: 32

約数和(自身を含む): 231137280

約数和(自身を除く): 107447590

約数列:

[1, 2, 5, 10, 31, 62, 155, 191, 310, 382, 955, 1910, 2089, 4178, 5921, 10445, 11842, 20890, 29605, 59210, 64759, 129518, 323795, 398999, 647590, 797998, 1994995, 3989990, 12368969, 24737938, 61844845, 123689690]

約数ペア:

[(1, 123689690), (2, 61844845), (5, 24737938), (10, 12368969), (31, 3989990), (62, 1994995), (155, 797998), (191, 647590), (310, 398999), (382, 323795), (955, 129518), (1910, 64759), (2089, 59210), (4178, 29605), (5921, 20890), (10445, 11842)]