409969140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{976117}}^1$

素因数の和:976136

約数の個数: 48

約数和(自身を含む): 1311902592

約数和(自身を除く): 901933452

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, 976117, 1952234, 2928351, 3904468, 4880585, 5856702, 6832819, 9761170, 11713404, 13665638, 14641755, 19522340, 20498457, 27331276, 29283510, 34164095, 40996914, 58567020, 68328190, 81993828, 102492285, 136656380, 204984570, 409969140]

約数ペア:

[(1, 409969140), (2, 204984570), (3, 136656380), (4, 102492285), (5, 81993828), (6, 68328190), (7, 58567020), (10, 40996914), (12, 34164095), (14, 29283510), (15, 27331276), (20, 20498457), (21, 19522340), (28, 14641755), (30, 13665638), (35, 11713404), (42, 9761170), (60, 6832819), (70, 5856702), (84, 4880585), (105, 3904468), (140, 2928351), (210, 1952234), (420, 976117)]