212280180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{505429}}^1$

素因数の和:505448

約数の個数: 48

約数和(自身を含む): 679297920

約数和(自身を除く): 467017740

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, 505429, 1010858, 1516287, 2021716, 2527145, 3032574, 3538003, 5054290, 6065148, 7076006, 7581435, 10108580, 10614009, 14152012, 15162870, 17690015, 21228018, 30325740, 35380030, 42456036, 53070045, 70760060, 106140090, 212280180]

約数ペア:

[(1, 212280180), (2, 106140090), (3, 70760060), (4, 53070045), (5, 42456036), (6, 35380030), (7, 30325740), (10, 21228018), (12, 17690015), (14, 15162870), (15, 14152012), (20, 10614009), (21, 10108580), (28, 7581435), (30, 7076006), (35, 6065148), (42, 5054290), (60, 3538003), (70, 3032574), (84, 2527145), (105, 2021716), (140, 1516287), (210, 1010858), (420, 505429)]