204884030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:909

約数の個数: 64

約数和(自身を含む): 422452800

約数和(自身を除く): 217568770

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 109, 130, 190, 218, 247, 494, 545, 761, 1090, 1235, 1417, 1522, 2071, 2470, 2834, 3805, 4142, 7085, 7610, 9893, 10355, 14170, 14459, 19786, 20710, 26923, 28918, 49465, 53846, 72295, 82949, 98930, 134615, 144590, 165898, 187967, 269230, 375934, 414745, 829490, 939835, 1078337, 1576031, 1879670, 2156674, 3152062, 5391685, 7880155, 10783370, 15760310, 20488403, 40976806, 102442015, 204884030]

約数ペア:

[(1, 204884030), (2, 102442015), (5, 40976806), (10, 20488403), (13, 15760310), (19, 10783370), (26, 7880155), (38, 5391685), (65, 3152062), (95, 2156674), (109, 1879670), (130, 1576031), (190, 1078337), (218, 939835), (247, 829490), (494, 414745), (545, 375934), (761, 269230), (1090, 187967), (1235, 165898), (1417, 144590), (1522, 134615), (2071, 98930), (2470, 82949), (2834, 72295), (3805, 53846), (4142, 49465), (7085, 28918), (7610, 26923), (9893, 20710), (10355, 19786), (14170, 14459)]