164076500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 430479504

約数和(自身を除く): 266403004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 49, 50, 70, 74, 98, 100, 125, 140, 148, 175, 181, 185, 196, 245, 250, 259, 350, 362, 370, 490, 500, 518, 700, 724, 740, 875, 905, 925, 980, 1036, 1225, 1267, 1295, 1750, 1810, 1813, 1850, 2450, 2534, 2590, 3500, 3620, 3626, 3700, 4525, 4625, 4900, 5068, 5180, 6125, 6335, 6475, 6697, 7252, 8869, 9050, 9065, 9250, 12250, 12670, 12950, 13394, 17738, 18100, 18130, 18500, 22625, 24500, 25340, 25900, 26788, 31675, 32375, 33485, 35476, 36260, 44345, 45250, 45325, 46879, 63350, 64750, 66970, 88690, 90500, 90650, 93758, 126700, 129500, 133940, 158375, 167425, 177380, 181300, 187516, 221725, 226625, 234395, 316750, 328153, 334850, 443450, 453250, 468790, 633500, 656306, 669700, 837125, 886900, 906500, 937580, 1108625, 1171975, 1312612, 1640765, 1674250, 2217250, 2343950, 3281530, 3348500, 4434500, 4687900, 5859875, 6563060, 8203825, 11719750, 16407650, 23439500, 32815300, 41019125, 82038250, 164076500]

約数ペア:

[(1, 164076500), (2, 82038250), (4, 41019125), (5, 32815300), (7, 23439500), (10, 16407650), (14, 11719750), (20, 8203825), (25, 6563060), (28, 5859875), (35, 4687900), (37, 4434500), (49, 3348500), (50, 3281530), (70, 2343950), (74, 2217250), (98, 1674250), (100, 1640765), (125, 1312612), (140, 1171975), (148, 1108625), (175, 937580), (181, 906500), (185, 886900), (196, 837125), (245, 669700), (250, 656306), (259, 633500), (350, 468790), (362, 453250), (370, 443450), (490, 334850), (500, 328153), (518, 316750), (700, 234395), (724, 226625), (740, 221725), (875, 187516), (905, 181300), (925, 177380), (980, 167425), (1036, 158375), (1225, 133940), (1267, 129500), (1295, 126700), (1750, 93758), (1810, 90650), (1813, 90500), (1850, 88690), (2450, 66970), (2534, 64750), (2590, 63350), (3500, 46879), (3620, 45325), (3626, 45250), (3700, 44345), (4525, 36260), (4625, 35476), (4900, 33485), (5068, 32375), (5180, 31675), (6125, 26788), (6335, 25900), (6475, 25340), (6697, 24500), (7252, 22625), (8869, 18500), (9050, 18130), (9065, 18100), (9250, 17738), (12250, 13394), (12670, 12950)]