290876404

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5749}}^1$

素因数の和:5912

約数の個数: 48

約数和(自身を含む): 631120000

約数和(自身を除く): 340243596

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 182, 278, 364, 556, 973, 1807, 1946, 3614, 3892, 5749, 7228, 11498, 12649, 22996, 25298, 40243, 50596, 74737, 80486, 149474, 160972, 298948, 523159, 799111, 1046318, 1598222, 2092636, 3196444, 5593777, 10388443, 11187554, 20776886, 22375108, 41553772, 72719101, 145438202, 290876404]

約数ペア:

[(1, 290876404), (2, 145438202), (4, 72719101), (7, 41553772), (13, 22375108), (14, 20776886), (26, 11187554), (28, 10388443), (52, 5593777), (91, 3196444), (139, 2092636), (182, 1598222), (278, 1046318), (364, 799111), (556, 523159), (973, 298948), (1807, 160972), (1946, 149474), (3614, 80486), (3892, 74737), (5749, 50596), (7228, 40243), (11498, 25298), (12649, 22996)]