278045642980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{991}}^1\times {\mathrm{4783}}^1$

素因数の和:6209

約数の個数: 96

約数和(自身を含む): 669717135360

約数和(自身を除く): 391671492380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 838, 991, 1676, 1982, 2095, 2933, 3964, 4190, 4783, 4955, 5866, 6937, 8380, 9566, 9910, 11732, 13874, 14665, 19132, 19820, 23915, 27748, 29330, 33481, 34685, 47830, 58660, 66962, 69370, 95660, 133924, 138740, 167405, 334810, 415229, 669620, 830458, 1660916, 2004077, 2076145, 2906603, 4008154, 4152290, 4739953, 5813206, 8016308, 8304580, 9479906, 10020385, 11626412, 14028539, 14533015, 18959812, 20040770, 23699765, 28057078, 29066030, 33179671, 40081540, 47399530, 56114156, 58132060, 66359342, 70142695, 94799060, 132718684, 140285390, 165898355, 280570780, 331796710, 663593420, 1986040307, 3972080614, 7944161228, 9930201535, 13902282149, 19860403070, 27804564298, 39720806140, 55609128596, 69511410745, 139022821490, 278045642980]

約数ペア:

[(1, 278045642980), (2, 139022821490), (4, 69511410745), (5, 55609128596), (7, 39720806140), (10, 27804564298), (14, 19860403070), (20, 13902282149), (28, 9930201535), (35, 7944161228), (70, 3972080614), (140, 1986040307), (419, 663593420), (838, 331796710), (991, 280570780), (1676, 165898355), (1982, 140285390), (2095, 132718684), (2933, 94799060), (3964, 70142695), (4190, 66359342), (4783, 58132060), (4955, 56114156), (5866, 47399530), (6937, 40081540), (8380, 33179671), (9566, 29066030), (9910, 28057078), (11732, 23699765), (13874, 20040770), (14665, 18959812), (19132, 14533015), (19820, 14028539), (23915, 11626412), (27748, 10020385), (29330, 9479906), (33481, 8304580), (34685, 8016308), (47830, 5813206), (58660, 4739953), (66962, 4152290), (69370, 4008154), (95660, 2906603), (133924, 2076145), (138740, 2004077), (167405, 1660916), (334810, 830458), (415229, 669620)]