31569440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 96

約数和(自身を含む): 86655744

約数和(自身を除く): 55086304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 355, 397, 497, 560, 568, 710, 794, 994, 1120, 1136, 1420, 1588, 1985, 1988, 2272, 2485, 2779, 2840, 3176, 3970, 3976, 4970, 5558, 5680, 6352, 7940, 7952, 9940, 11116, 11360, 12704, 13895, 15880, 15904, 19880, 22232, 27790, 28187, 31760, 39760, 44464, 55580, 56374, 63520, 79520, 88928, 111160, 112748, 140935, 197309, 222320, 225496, 281870, 394618, 444640, 450992, 563740, 789236, 901984, 986545, 1127480, 1578472, 1973090, 2254960, 3156944, 3946180, 4509920, 6313888, 7892360, 15784720, 31569440]

約数ペア:

[(1, 31569440), (2, 15784720), (4, 7892360), (5, 6313888), (7, 4509920), (8, 3946180), (10, 3156944), (14, 2254960), (16, 1973090), (20, 1578472), (28, 1127480), (32, 986545), (35, 901984), (40, 789236), (56, 563740), (70, 450992), (71, 444640), (80, 394618), (112, 281870), (140, 225496), (142, 222320), (160, 197309), (224, 140935), (280, 112748), (284, 111160), (355, 88928), (397, 79520), (497, 63520), (560, 56374), (568, 55580), (710, 44464), (794, 39760), (994, 31760), (1120, 28187), (1136, 27790), (1420, 22232), (1588, 19880), (1985, 15904), (1988, 15880), (2272, 13895), (2485, 12704), (2779, 11360), (2840, 11116), (3176, 9940), (3970, 7952), (3976, 7940), (4970, 6352), (5558, 5680)]