398757100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4787}}^1$

素因数の和:4832

約数の個数: 108

約数和(自身を含む): 1066009896

約数和(自身を除く): 667252796

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 49, 50, 68, 70, 85, 98, 100, 119, 140, 170, 175, 196, 238, 245, 340, 350, 425, 476, 490, 595, 700, 833, 850, 980, 1190, 1225, 1666, 1700, 2380, 2450, 2975, 3332, 4165, 4787, 4900, 5950, 8330, 9574, 11900, 16660, 19148, 20825, 23935, 33509, 41650, 47870, 67018, 81379, 83300, 95740, 119675, 134036, 162758, 167545, 234563, 239350, 325516, 335090, 406895, 469126, 478700, 569653, 670180, 813790, 837725, 938252, 1139306, 1172815, 1627580, 1675450, 2034475, 2278612, 2345630, 2848265, 3350900, 3987571, 4068950, 4691260, 5696530, 5864075, 7975142, 8137900, 11393060, 11728150, 14241325, 15950284, 19937855, 23456300, 28482650, 39875710, 56965300, 79751420, 99689275, 199378550, 398757100]

約数ペア:

[(1, 398757100), (2, 199378550), (4, 99689275), (5, 79751420), (7, 56965300), (10, 39875710), (14, 28482650), (17, 23456300), (20, 19937855), (25, 15950284), (28, 14241325), (34, 11728150), (35, 11393060), (49, 8137900), (50, 7975142), (68, 5864075), (70, 5696530), (85, 4691260), (98, 4068950), (100, 3987571), (119, 3350900), (140, 2848265), (170, 2345630), (175, 2278612), (196, 2034475), (238, 1675450), (245, 1627580), (340, 1172815), (350, 1139306), (425, 938252), (476, 837725), (490, 813790), (595, 670180), (700, 569653), (833, 478700), (850, 469126), (980, 406895), (1190, 335090), (1225, 325516), (1666, 239350), (1700, 234563), (2380, 167545), (2450, 162758), (2975, 134036), (3332, 119675), (4165, 95740), (4787, 83300), (4900, 81379), (5950, 67018), (8330, 47870), (9574, 41650), (11900, 33509), (16660, 23935), (19148, 20825)]