90984775

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 134348544

約数和(自身を除く): 43363769

約数列:

[1, 5, 7, 25, 35, 43, 107, 113, 175, 215, 301, 535, 565, 749, 791, 1075, 1505, 2675, 2825, 3745, 3955, 4601, 4859, 7525, 12091, 18725, 19775, 23005, 24295, 32207, 34013, 60455, 84637, 115025, 121475, 161035, 170065, 302275, 423185, 519913, 805175, 850325, 2115925, 2599565, 3639391, 12997825, 18196955, 90984775]

約数ペア:

[(1, 90984775), (5, 18196955), (7, 12997825), (25, 3639391), (35, 2599565), (43, 2115925), (107, 850325), (113, 805175), (175, 519913), (215, 423185), (301, 302275), (535, 170065), (565, 161035), (749, 121475), (791, 115025), (1075, 84637), (1505, 60455), (2675, 34013), (2825, 32207), (3745, 24295), (3955, 23005), (4601, 19775), (4859, 18725), (7525, 12091)]