78051820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{50683}}^1$

素因数の和:50710

約数の個数: 48

約数和(自身を含む): 204357888

約数和(自身を除く): 126306068

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 50683, 101366, 202732, 253415, 354781, 506830, 557513, 709562, 1013660, 1115026, 1419124, 1773905, 2230052, 2787565, 3547810, 3902591, 5575130, 7095620, 7805182, 11150260, 15610364, 19512955, 39025910, 78051820]

約数ペア:

[(1, 78051820), (2, 39025910), (4, 19512955), (5, 15610364), (7, 11150260), (10, 7805182), (11, 7095620), (14, 5575130), (20, 3902591), (22, 3547810), (28, 2787565), (35, 2230052), (44, 1773905), (55, 1419124), (70, 1115026), (77, 1013660), (110, 709562), (140, 557513), (154, 506830), (220, 354781), (308, 253415), (385, 202732), (770, 101366), (1540, 50683)]