29709820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1549}}^1$

素因数の和:1702

約数の個数: 48

約数和(自身を含む): 71870400

約数和(自身を除く): 42160580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1549, 1918, 2740, 3098, 3836, 4795, 6196, 7745, 9590, 10843, 15490, 19180, 21686, 30980, 43372, 54215, 108430, 212213, 216860, 424426, 848852, 1061065, 1485491, 2122130, 2970982, 4244260, 5941964, 7427455, 14854910, 29709820]

約数ペア:

[(1, 29709820), (2, 14854910), (4, 7427455), (5, 5941964), (7, 4244260), (10, 2970982), (14, 2122130), (20, 1485491), (28, 1061065), (35, 848852), (70, 424426), (137, 216860), (140, 212213), (274, 108430), (548, 54215), (685, 43372), (959, 30980), (1370, 21686), (1549, 19180), (1918, 15490), (2740, 10843), (3098, 9590), (3836, 7745), (4795, 6196)]