518534840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1464

約数の個数: 64

約数和(自身を含む): 1190700000

約数和(自身を除く): 672165160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 107, 194, 214, 388, 428, 485, 535, 776, 856, 970, 1070, 1249, 1940, 2140, 2498, 3880, 4280, 4996, 6245, 9992, 10379, 12490, 20758, 24980, 41516, 49960, 51895, 83032, 103790, 121153, 133643, 207580, 242306, 267286, 415160, 484612, 534572, 605765, 668215, 969224, 1069144, 1211530, 1336430, 2423060, 2672860, 4846120, 5345720, 12963371, 25926742, 51853484, 64816855, 103706968, 129633710, 259267420, 518534840]

約数ペア:

[(1, 518534840), (2, 259267420), (4, 129633710), (5, 103706968), (8, 64816855), (10, 51853484), (20, 25926742), (40, 12963371), (97, 5345720), (107, 4846120), (194, 2672860), (214, 2423060), (388, 1336430), (428, 1211530), (485, 1069144), (535, 969224), (776, 668215), (856, 605765), (970, 534572), (1070, 484612), (1249, 415160), (1940, 267286), (2140, 242306), (2498, 207580), (3880, 133643), (4280, 121153), (4996, 103790), (6245, 83032), (9992, 51895), (10379, 49960), (12490, 41516), (20758, 24980)]