2728991660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1\times {\mathrm{9437}}^1$

素因数の和:10226

約数の個数: 48

約数和(自身を含む): 6041075040

約数和(自身を除く): 3312083380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 761, 1522, 3044, 3805, 7610, 9437, 14459, 15220, 18874, 28918, 37748, 47185, 57836, 72295, 94370, 144590, 179303, 188740, 289180, 358606, 717212, 896515, 1793030, 3586060, 7181557, 14363114, 28726228, 35907785, 71815570, 136449583, 143631140, 272899166, 545798332, 682247915, 1364495830, 2728991660]

約数ペア:

[(1, 2728991660), (2, 1364495830), (4, 682247915), (5, 545798332), (10, 272899166), (19, 143631140), (20, 136449583), (38, 71815570), (76, 35907785), (95, 28726228), (190, 14363114), (380, 7181557), (761, 3586060), (1522, 1793030), (3044, 896515), (3805, 717212), (7610, 358606), (9437, 289180), (14459, 188740), (15220, 179303), (18874, 144590), (28918, 94370), (37748, 72295), (47185, 57836)]