129642520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3331}}^1$

素因数の和:3488

約数の個数: 64

約数和(自身を含む): 335865600

約数和(自身を除く): 206223080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3331, 3892, 4865, 5560, 6662, 7784, 9730, 13324, 16655, 19460, 23317, 26648, 33310, 38920, 46634, 66620, 93268, 116585, 133240, 186536, 233170, 463009, 466340, 926018, 932680, 1852036, 2315045, 3241063, 3704072, 4630090, 6482126, 9260180, 12964252, 16205315, 18520360, 25928504, 32410630, 64821260, 129642520]

約数ペア:

[(1, 129642520), (2, 64821260), (4, 32410630), (5, 25928504), (7, 18520360), (8, 16205315), (10, 12964252), (14, 9260180), (20, 6482126), (28, 4630090), (35, 3704072), (40, 3241063), (56, 2315045), (70, 1852036), (139, 932680), (140, 926018), (278, 466340), (280, 463009), (556, 233170), (695, 186536), (973, 133240), (1112, 116585), (1390, 93268), (1946, 66620), (2780, 46634), (3331, 38920), (3892, 33310), (4865, 26648), (5560, 23317), (6662, 19460), (7784, 16655), (9730, 13324)]