840252

素因数分解:

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

素因数の和:1450

約数の個数: 36

約数和(自身を含む): 2282280

約数和(自身を除く): 1442028

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 1429, 2858, 4287, 5716, 8574, 10003, 17148, 20006, 30009, 40012, 60018, 70021, 120036, 140042, 210063, 280084, 420126, 840252]

約数ペア:

[(1, 840252), (2, 420126), (3, 280084), (4, 210063), (6, 140042), (7, 120036), (12, 70021), (14, 60018), (21, 40012), (28, 30009), (42, 20006), (49, 17148), (84, 10003), (98, 8574), (147, 5716), (196, 4287), (294, 2858), (588, 1429)]