204095220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{485941}}^1$

素因数の和:485960

約数の個数: 48

約数和(自身を含む): 653106048

約数和(自身を除く): 449010828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 485941, 971882, 1457823, 1943764, 2429705, 2915646, 3401587, 4859410, 5831292, 6803174, 7289115, 9718820, 10204761, 13606348, 14578230, 17007935, 20409522, 29156460, 34015870, 40819044, 51023805, 68031740, 102047610, 204095220]

約数ペア:

[(1, 204095220), (2, 102047610), (3, 68031740), (4, 51023805), (5, 40819044), (6, 34015870), (7, 29156460), (10, 20409522), (12, 17007935), (14, 14578230), (15, 13606348), (20, 10204761), (21, 9718820), (28, 7289115), (30, 6803174), (35, 5831292), (42, 4859410), (60, 3401587), (70, 2915646), (84, 2429705), (105, 1943764), (140, 1457823), (210, 971882), (420, 485941)]