2017173860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{13879}}^1$

素因数の和:13957

約数の個数: 72

約数和(自身を含む): 4693993920

約数和(自身を除く): 2676820060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 169, 172, 215, 260, 338, 430, 559, 676, 845, 860, 1118, 1690, 2236, 2795, 3380, 5590, 7267, 11180, 13879, 14534, 27758, 29068, 36335, 55516, 69395, 72670, 138790, 145340, 180427, 277580, 360854, 596797, 721708, 902135, 1193594, 1804270, 2345551, 2387188, 2983985, 3608540, 4691102, 5967970, 7758361, 9382204, 11727755, 11935940, 15516722, 23455510, 31033444, 38791805, 46911020, 77583610, 100858693, 155167220, 201717386, 403434772, 504293465, 1008586930, 2017173860]

約数ペア:

[(1, 2017173860), (2, 1008586930), (4, 504293465), (5, 403434772), (10, 201717386), (13, 155167220), (20, 100858693), (26, 77583610), (43, 46911020), (52, 38791805), (65, 31033444), (86, 23455510), (130, 15516722), (169, 11935940), (172, 11727755), (215, 9382204), (260, 7758361), (338, 5967970), (430, 4691102), (559, 3608540), (676, 2983985), (845, 2387188), (860, 2345551), (1118, 1804270), (1690, 1193594), (2236, 902135), (2795, 721708), (3380, 596797), (5590, 360854), (7267, 277580), (11180, 180427), (13879, 145340), (14534, 138790), (27758, 72670), (29068, 69395), (36335, 55516)]