90204100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:518

約数の個数: 108

約数和(自身を含む): 233774100

約数和(自身を除く): 143570000

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 49, 50, 70, 82, 98, 100, 140, 164, 175, 196, 205, 245, 287, 350, 410, 449, 490, 574, 700, 820, 898, 980, 1025, 1148, 1225, 1435, 1796, 2009, 2050, 2245, 2450, 2870, 3143, 4018, 4100, 4490, 4900, 5740, 6286, 7175, 8036, 8980, 10045, 11225, 12572, 14350, 15715, 18409, 20090, 22001, 22450, 28700, 31430, 36818, 40180, 44002, 44900, 50225, 62860, 73636, 78575, 88004, 92045, 100450, 110005, 128863, 157150, 184090, 200900, 220010, 257726, 314300, 368180, 440020, 460225, 515452, 550025, 644315, 902041, 920450, 1100050, 1288630, 1804082, 1840900, 2200100, 2577260, 3221575, 3608164, 4510205, 6443150, 9020410, 12886300, 18040820, 22551025, 45102050, 90204100]

約数ペア:

[(1, 90204100), (2, 45102050), (4, 22551025), (5, 18040820), (7, 12886300), (10, 9020410), (14, 6443150), (20, 4510205), (25, 3608164), (28, 3221575), (35, 2577260), (41, 2200100), (49, 1840900), (50, 1804082), (70, 1288630), (82, 1100050), (98, 920450), (100, 902041), (140, 644315), (164, 550025), (175, 515452), (196, 460225), (205, 440020), (245, 368180), (287, 314300), (350, 257726), (410, 220010), (449, 200900), (490, 184090), (574, 157150), (700, 128863), (820, 110005), (898, 100450), (980, 92045), (1025, 88004), (1148, 78575), (1225, 73636), (1435, 62860), (1796, 50225), (2009, 44900), (2050, 44002), (2245, 40180), (2450, 36818), (2870, 31430), (3143, 28700), (4018, 22450), (4100, 22001), (4490, 20090), (4900, 18409), (5740, 15715), (6286, 14350), (7175, 12572), (8036, 11225), (8980, 10045)]