68406290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{761}}^1$

素因数の和:958

約数の個数: 32

約数和(自身を含む): 125912880

約数和(自身を除く): 57506590

約数列:

[1, 2, 5, 10, 89, 101, 178, 202, 445, 505, 761, 890, 1010, 1522, 3805, 7610, 8989, 17978, 44945, 67729, 76861, 89890, 135458, 153722, 338645, 384305, 677290, 768610, 6840629, 13681258, 34203145, 68406290]

約数ペア:

[(1, 68406290), (2, 34203145), (5, 13681258), (10, 6840629), (89, 768610), (101, 677290), (178, 384305), (202, 338645), (445, 153722), (505, 135458), (761, 89890), (890, 76861), (1010, 67729), (1522, 44945), (3805, 17978), (7610, 8989)]