7042490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 15966720

約数和(自身を除く): 8924230

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 109, 130, 142, 182, 218, 355, 455, 497, 545, 710, 763, 910, 923, 994, 1090, 1417, 1526, 1846, 2485, 2834, 3815, 4615, 4970, 6461, 7085, 7630, 7739, 9230, 9919, 12922, 14170, 15478, 19838, 32305, 38695, 49595, 54173, 64610, 77390, 99190, 100607, 108346, 201214, 270865, 503035, 541730, 704249, 1006070, 1408498, 3521245, 7042490]

約数ペア:

[(1, 7042490), (2, 3521245), (5, 1408498), (7, 1006070), (10, 704249), (13, 541730), (14, 503035), (26, 270865), (35, 201214), (65, 108346), (70, 100607), (71, 99190), (91, 77390), (109, 64610), (130, 54173), (142, 49595), (182, 38695), (218, 32305), (355, 19838), (455, 15478), (497, 14170), (545, 12922), (710, 9919), (763, 9230), (910, 7739), (923, 7630), (994, 7085), (1090, 6461), (1417, 4970), (1526, 4615), (1846, 3815), (2485, 2834)]