305890240

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7297}}^1$

素因数の和:7445

約数の個数: 56

約数和(自身を含む): 734062032

約数和(自身を除く): 428171792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 1048, 1310, 2096, 2620, 4192, 5240, 7297, 8384, 10480, 14594, 20960, 29188, 36485, 41920, 58376, 72970, 116752, 145940, 233504, 291880, 467008, 583760, 955907, 1167520, 1911814, 2335040, 3823628, 4779535, 7647256, 9559070, 15294512, 19118140, 30589024, 38236280, 61178048, 76472560, 152945120, 305890240]

約数ペア:

[(1, 305890240), (2, 152945120), (4, 76472560), (5, 61178048), (8, 38236280), (10, 30589024), (16, 19118140), (20, 15294512), (32, 9559070), (40, 7647256), (64, 4779535), (80, 3823628), (131, 2335040), (160, 1911814), (262, 1167520), (320, 955907), (524, 583760), (655, 467008), (1048, 291880), (1310, 233504), (2096, 145940), (2620, 116752), (4192, 72970), (5240, 58376), (7297, 41920), (8384, 36485), (10480, 29188), (14594, 20960)]