278310340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1423}}^1$

素因数の和:1577

約数の個数: 96

約数和(自身を含む): 734920704

約数和(自身を除く): 456610364

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 127, 140, 154, 220, 254, 308, 385, 508, 635, 770, 889, 1270, 1397, 1423, 1540, 1778, 2540, 2794, 2846, 3556, 4445, 5588, 5692, 6985, 7115, 8890, 9779, 9961, 13970, 14230, 15653, 17780, 19558, 19922, 27940, 28460, 31306, 39116, 39844, 48895, 49805, 62612, 78265, 97790, 99610, 109571, 156530, 180721, 195580, 199220, 219142, 313060, 361442, 438284, 547855, 722884, 903605, 1095710, 1265047, 1807210, 1987931, 2191420, 2530094, 3614420, 3975862, 5060188, 6325235, 7951724, 9939655, 12650470, 13915517, 19879310, 25300940, 27831034, 39758620, 55662068, 69577585, 139155170, 278310340]

約数ペア:

[(1, 278310340), (2, 139155170), (4, 69577585), (5, 55662068), (7, 39758620), (10, 27831034), (11, 25300940), (14, 19879310), (20, 13915517), (22, 12650470), (28, 9939655), (35, 7951724), (44, 6325235), (55, 5060188), (70, 3975862), (77, 3614420), (110, 2530094), (127, 2191420), (140, 1987931), (154, 1807210), (220, 1265047), (254, 1095710), (308, 903605), (385, 722884), (508, 547855), (635, 438284), (770, 361442), (889, 313060), (1270, 219142), (1397, 199220), (1423, 195580), (1540, 180721), (1778, 156530), (2540, 109571), (2794, 99610), (2846, 97790), (3556, 78265), (4445, 62612), (5588, 49805), (5692, 48895), (6985, 39844), (7115, 39116), (8890, 31306), (9779, 28460), (9961, 27940), (13970, 19922), (14230, 19558), (15653, 17780)]