31137050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:276

約数の個数: 72

約数和(自身を含む): 68700960

約数和(自身を除く): 37563910

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 71, 98, 142, 175, 179, 245, 350, 355, 358, 490, 497, 710, 895, 994, 1225, 1253, 1775, 1790, 2450, 2485, 2506, 3479, 3550, 4475, 4970, 6265, 6958, 8771, 8950, 12425, 12530, 12709, 17395, 17542, 24850, 25418, 31325, 34790, 43855, 62650, 63545, 86975, 87710, 88963, 127090, 173950, 177926, 219275, 317725, 438550, 444815, 622741, 635450, 889630, 1245482, 2224075, 3113705, 4448150, 6227410, 15568525, 31137050]

約数ペア:

[(1, 31137050), (2, 15568525), (5, 6227410), (7, 4448150), (10, 3113705), (14, 2224075), (25, 1245482), (35, 889630), (49, 635450), (50, 622741), (70, 444815), (71, 438550), (98, 317725), (142, 219275), (175, 177926), (179, 173950), (245, 127090), (350, 88963), (355, 87710), (358, 86975), (490, 63545), (497, 62650), (710, 43855), (895, 34790), (994, 31325), (1225, 25418), (1253, 24850), (1775, 17542), (1790, 17395), (2450, 12709), (2485, 12530), (2506, 12425), (3479, 8950), (3550, 8771), (4475, 6958), (4970, 6265)]