278319844

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 563068800

約数和(自身を除く): 284748956

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 79, 116, 121, 158, 242, 251, 316, 319, 484, 502, 638, 869, 1004, 1276, 1738, 2291, 2761, 3476, 3509, 4582, 5522, 7018, 7279, 9164, 9559, 11044, 14036, 14558, 19118, 19829, 25201, 29116, 30371, 38236, 39658, 50402, 60742, 79316, 80069, 100804, 121484, 160138, 218119, 277211, 320276, 436238, 554422, 575041, 872476, 880759, 1108844, 1150082, 1761518, 2300164, 2399309, 3523036, 4798618, 6325451, 9597236, 12650902, 25301804, 69579961, 139159922, 278319844]

約数ペア:

[(1, 278319844), (2, 139159922), (4, 69579961), (11, 25301804), (22, 12650902), (29, 9597236), (44, 6325451), (58, 4798618), (79, 3523036), (116, 2399309), (121, 2300164), (158, 1761518), (242, 1150082), (251, 1108844), (316, 880759), (319, 872476), (484, 575041), (502, 554422), (638, 436238), (869, 320276), (1004, 277211), (1276, 218119), (1738, 160138), (2291, 121484), (2761, 100804), (3476, 80069), (3509, 79316), (4582, 60742), (5522, 50402), (7018, 39658), (7279, 38236), (9164, 30371), (9559, 29116), (11044, 25201), (14036, 19829), (14558, 19118)]