312819920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{79801}}^1$

素因数の和:79828

約数の個数: 60

約数和(自身を含む): 846060804

約数和(自身を除く): 533240884

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 79801, 159602, 319204, 399005, 558607, 638408, 798010, 1117214, 1276816, 1596020, 2234428, 2793035, 3192040, 3910249, 4468856, 5586070, 6384080, 7820498, 8937712, 11172140, 15640996, 19551245, 22344280, 31281992, 39102490, 44688560, 62563984, 78204980, 156409960, 312819920]

約数ペア:

[(1, 312819920), (2, 156409960), (4, 78204980), (5, 62563984), (7, 44688560), (8, 39102490), (10, 31281992), (14, 22344280), (16, 19551245), (20, 15640996), (28, 11172140), (35, 8937712), (40, 7820498), (49, 6384080), (56, 5586070), (70, 4468856), (80, 3910249), (98, 3192040), (112, 2793035), (140, 2234428), (196, 1596020), (245, 1276816), (280, 1117214), (392, 798010), (490, 638408), (560, 558607), (784, 399005), (980, 319204), (1960, 159602), (3920, 79801)]