266197365640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1\times {\mathrm{393853}}^1$

素因数の和:394202

約数の個数: 64

約数和(自身を含む): 610962078960

約数和(自身を除く): 344764713320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 277, 305, 488, 554, 610, 1108, 1220, 1385, 2216, 2440, 2770, 5540, 11080, 16897, 33794, 67588, 84485, 135176, 168970, 337940, 393853, 675880, 787706, 1575412, 1969265, 3150824, 3938530, 7877060, 15754120, 24025033, 48050066, 96100132, 109097281, 120125165, 192200264, 218194562, 240250330, 436389124, 480500660, 545486405, 872778248, 961001320, 1090972810, 2181945620, 4363891240, 6654934141, 13309868282, 26619736564, 33274670705, 53239473128, 66549341410, 133098682820, 266197365640]

約数ペア:

[(1, 266197365640), (2, 133098682820), (4, 66549341410), (5, 53239473128), (8, 33274670705), (10, 26619736564), (20, 13309868282), (40, 6654934141), (61, 4363891240), (122, 2181945620), (244, 1090972810), (277, 961001320), (305, 872778248), (488, 545486405), (554, 480500660), (610, 436389124), (1108, 240250330), (1220, 218194562), (1385, 192200264), (2216, 120125165), (2440, 109097281), (2770, 96100132), (5540, 48050066), (11080, 24025033), (16897, 15754120), (33794, 7877060), (67588, 3938530), (84485, 3150824), (135176, 1969265), (168970, 1575412), (337940, 787706), (393853, 675880)]