122910940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{857}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 264648384

約数和(自身を除く): 141737444

約数列:

[1, 2, 4, 5, 10, 20, 71, 101, 142, 202, 284, 355, 404, 505, 710, 857, 1010, 1420, 1714, 2020, 3428, 4285, 7171, 8570, 14342, 17140, 28684, 35855, 60847, 71710, 86557, 121694, 143420, 173114, 243388, 304235, 346228, 432785, 608470, 865570, 1216940, 1731140, 6145547, 12291094, 24582188, 30727735, 61455470, 122910940]

約数ペア:

[(1, 122910940), (2, 61455470), (4, 30727735), (5, 24582188), (10, 12291094), (20, 6145547), (71, 1731140), (101, 1216940), (142, 865570), (202, 608470), (284, 432785), (355, 346228), (404, 304235), (505, 243388), (710, 173114), (857, 143420), (1010, 121694), (1420, 86557), (1714, 71710), (2020, 60847), (3428, 35855), (4285, 28684), (7171, 17140), (8570, 14342)]