172935420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{411751}}^1$

素因数の和:411770

約数の個数: 48

約数和(自身を含む): 553394688

約数和(自身を除く): 380459268

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, 411751, 823502, 1235253, 1647004, 2058755, 2470506, 2882257, 4117510, 4941012, 5764514, 6176265, 8235020, 8646771, 11529028, 12352530, 14411285, 17293542, 24705060, 28822570, 34587084, 43233855, 57645140, 86467710, 172935420]

約数ペア:

[(1, 172935420), (2, 86467710), (3, 57645140), (4, 43233855), (5, 34587084), (6, 28822570), (7, 24705060), (10, 17293542), (12, 14411285), (14, 12352530), (15, 11529028), (20, 8646771), (21, 8235020), (28, 6176265), (30, 5764514), (35, 4941012), (42, 4117510), (60, 2882257), (70, 2470506), (84, 2058755), (105, 1647004), (140, 1235253), (210, 823502), (420, 411751)]