287767180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{3313}}^1$

素因数の和:3466

約数の個数: 48

約数和(自身を含む): 624675744

約数和(自身を除く): 336908564

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 101, 172, 202, 215, 404, 430, 505, 860, 1010, 2020, 3313, 4343, 6626, 8686, 13252, 16565, 17372, 21715, 33130, 43430, 66260, 86860, 142459, 284918, 334613, 569836, 669226, 712295, 1338452, 1424590, 1673065, 2849180, 3346130, 6692260, 14388359, 28776718, 57553436, 71941795, 143883590, 287767180]

約数ペア:

[(1, 287767180), (2, 143883590), (4, 71941795), (5, 57553436), (10, 28776718), (20, 14388359), (43, 6692260), (86, 3346130), (101, 2849180), (172, 1673065), (202, 1424590), (215, 1338452), (404, 712295), (430, 669226), (505, 569836), (860, 334613), (1010, 284918), (2020, 142459), (3313, 86860), (4343, 66260), (6626, 43430), (8686, 33130), (13252, 21715), (16565, 17372)]