205861740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{1429}}^1$

素因数の和:1469

約数の個数: 120

約数和(自身を含む): 672912240

約数和(自身を除く): 467050500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1429, 1470, 1715, 2058, 2401, 2858, 2940, 3430, 4116, 4287, 4802, 5145, 5716, 6860, 7145, 7203, 8574, 9604, 10003, 10290, 12005, 14290, 14406, 17148, 20006, 20580, 21435, 24010, 28580, 28812, 30009, 36015, 40012, 42870, 48020, 50015, 60018, 70021, 72030, 85740, 100030, 120036, 140042, 144060, 150045, 200060, 210063, 280084, 300090, 350105, 420126, 490147, 600180, 700210, 840252, 980294, 1050315, 1400420, 1470441, 1960588, 2100630, 2450735, 2940882, 3431029, 4201260, 4901470, 5881764, 6862058, 7352205, 9802940, 10293087, 13724116, 14704410, 17155145, 20586174, 29408820, 34310290, 41172348, 51465435, 68620580, 102930870, 205861740]

約数ペア:

[(1, 205861740), (2, 102930870), (3, 68620580), (4, 51465435), (5, 41172348), (6, 34310290), (7, 29408820), (10, 20586174), (12, 17155145), (14, 14704410), (15, 13724116), (20, 10293087), (21, 9802940), (28, 7352205), (30, 6862058), (35, 5881764), (42, 4901470), (49, 4201260), (60, 3431029), (70, 2940882), (84, 2450735), (98, 2100630), (105, 1960588), (140, 1470441), (147, 1400420), (196, 1050315), (210, 980294), (245, 840252), (294, 700210), (343, 600180), (420, 490147), (490, 420126), (588, 350105), (686, 300090), (735, 280084), (980, 210063), (1029, 200060), (1372, 150045), (1429, 144060), (1470, 140042), (1715, 120036), (2058, 100030), (2401, 85740), (2858, 72030), (2940, 70021), (3430, 60018), (4116, 50015), (4287, 48020), (4802, 42870), (5145, 40012), (5716, 36015), (6860, 30009), (7145, 28812), (7203, 28580), (8574, 24010), (9604, 21435), (10003, 20580), (10290, 20006), (12005, 17148), (14290, 14406)]