2149980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{5119}}^1$

素因数の和:5138

約数の個数: 48

約数和(自身を含む): 6881280

約数和(自身を除く): 4731300

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, 5119, 10238, 15357, 20476, 25595, 30714, 35833, 51190, 61428, 71666, 76785, 102380, 107499, 143332, 153570, 179165, 214998, 307140, 358330, 429996, 537495, 716660, 1074990, 2149980]

約数ペア:

[(1, 2149980), (2, 1074990), (3, 716660), (4, 537495), (5, 429996), (6, 358330), (7, 307140), (10, 214998), (12, 179165), (14, 153570), (15, 143332), (20, 107499), (21, 102380), (28, 76785), (30, 71666), (35, 61428), (42, 51190), (60, 35833), (70, 30714), (84, 25595), (105, 20476), (140, 15357), (210, 10238), (420, 5119)]