2017902220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{171299}}^1$

素因数の和:171358

約数の個数: 48

約数和(自身を含む): 4604544000

約数和(自身を除く): 2586641780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 171299, 342598, 685196, 856495, 1712990, 3254681, 3425980, 5310269, 6509362, 10620538, 13018724, 16273405, 21241076, 26551345, 32546810, 53102690, 65093620, 100895111, 106205380, 201790222, 403580444, 504475555, 1008951110, 2017902220]

約数ペア:

[(1, 2017902220), (2, 1008951110), (4, 504475555), (5, 403580444), (10, 201790222), (19, 106205380), (20, 100895111), (31, 65093620), (38, 53102690), (62, 32546810), (76, 26551345), (95, 21241076), (124, 16273405), (155, 13018724), (190, 10620538), (310, 6509362), (380, 5310269), (589, 3425980), (620, 3254681), (1178, 1712990), (2356, 856495), (2945, 685196), (5890, 342598), (11780, 171299)]