287028420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{683401}}^1$

素因数の和:683420

約数の個数: 48

約数和(自身を含む): 918492288

約数和(自身を除く): 631463868

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, 683401, 1366802, 2050203, 2733604, 3417005, 4100406, 4783807, 6834010, 8200812, 9567614, 10251015, 13668020, 14351421, 19135228, 20502030, 23919035, 28702842, 41004060, 47838070, 57405684, 71757105, 95676140, 143514210, 287028420]

約数ペア:

[(1, 287028420), (2, 143514210), (3, 95676140), (4, 71757105), (5, 57405684), (6, 47838070), (7, 41004060), (10, 28702842), (12, 23919035), (14, 20502030), (15, 19135228), (20, 14351421), (21, 13668020), (28, 10251015), (30, 9567614), (35, 8200812), (42, 6834010), (60, 4783807), (70, 4100406), (84, 3417005), (105, 2733604), (140, 2050203), (210, 1366802), (420, 683401)]