280719894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7043}}^1$

素因数の和:7141

約数の個数: 64

約数和(自身を含む): 700568064

約数和(自身を除く): 419848170

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 73, 78, 91, 146, 182, 219, 273, 438, 511, 546, 949, 1022, 1533, 1898, 2847, 3066, 5694, 6643, 7043, 13286, 14086, 19929, 21129, 39858, 42258, 49301, 91559, 98602, 147903, 183118, 274677, 295806, 514139, 549354, 640913, 1028278, 1281826, 1542417, 1922739, 3084834, 3598973, 3845478, 6683807, 7197946, 10796919, 13367614, 20051421, 21593838, 40102842, 46786649, 93573298, 140359947, 280719894]

約数ペア:

[(1, 280719894), (2, 140359947), (3, 93573298), (6, 46786649), (7, 40102842), (13, 21593838), (14, 20051421), (21, 13367614), (26, 10796919), (39, 7197946), (42, 6683807), (73, 3845478), (78, 3598973), (91, 3084834), (146, 1922739), (182, 1542417), (219, 1281826), (273, 1028278), (438, 640913), (511, 549354), (546, 514139), (949, 295806), (1022, 274677), (1533, 183118), (1898, 147903), (2847, 98602), (3066, 91559), (5694, 49301), (6643, 42258), (7043, 39858), (13286, 21129), (14086, 19929)]