12707380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 30764160

約数和(自身を除く): 18056780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 653, 695, 973, 1306, 1390, 1946, 2612, 2780, 3265, 3892, 4571, 4865, 6530, 9142, 9730, 13060, 18284, 19460, 22855, 45710, 90767, 91420, 181534, 363068, 453835, 635369, 907670, 1270738, 1815340, 2541476, 3176845, 6353690, 12707380]

約数ペア:

[(1, 12707380), (2, 6353690), (4, 3176845), (5, 2541476), (7, 1815340), (10, 1270738), (14, 907670), (20, 635369), (28, 453835), (35, 363068), (70, 181534), (139, 91420), (140, 90767), (278, 45710), (556, 22855), (653, 19460), (695, 18284), (973, 13060), (1306, 9730), (1390, 9142), (1946, 6530), (2612, 4865), (2780, 4571), (3265, 3892)]