201990512990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{523}}^1\times {\mathrm{13759}}^1$

素因数の和:14697

約数の個数: 64

約数和(自身を含む): 417386373120

約数和(自身を除く): 215395860130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401, 523, 802, 1046, 2005, 2615, 2807, 3661, 4010, 5230, 5614, 7322, 13759, 14035, 18305, 27518, 28070, 36610, 68795, 96313, 137590, 192626, 209723, 419446, 481565, 963130, 1048615, 1468061, 2097230, 2936122, 5517359, 7195957, 7340305, 11034718, 14391914, 14680610, 27586795, 35979785, 38621513, 50371699, 55173590, 71959570, 77243026, 100743398, 193107565, 251858495, 386215130, 503716990, 2885578757, 5771157514, 14427893785, 20199051299, 28855787570, 40398102598, 100995256495, 201990512990]

約数ペア:

[(1, 201990512990), (2, 100995256495), (5, 40398102598), (7, 28855787570), (10, 20199051299), (14, 14427893785), (35, 5771157514), (70, 2885578757), (401, 503716990), (523, 386215130), (802, 251858495), (1046, 193107565), (2005, 100743398), (2615, 77243026), (2807, 71959570), (3661, 55173590), (4010, 50371699), (5230, 38621513), (5614, 35979785), (7322, 27586795), (13759, 14680610), (14035, 14391914), (18305, 11034718), (27518, 7340305), (28070, 7195957), (36610, 5517359), (68795, 2936122), (96313, 2097230), (137590, 1468061), (192626, 1048615), (209723, 963130), (419446, 481565)]