2619260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 6422976

約数和(自身を除く): 3803716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 353, 371, 530, 706, 742, 1060, 1412, 1484, 1765, 1855, 2471, 3530, 3710, 4942, 7060, 7420, 9884, 12355, 18709, 24710, 37418, 49420, 74836, 93545, 130963, 187090, 261926, 374180, 523852, 654815, 1309630, 2619260]

約数ペア:

[(1, 2619260), (2, 1309630), (4, 654815), (5, 523852), (7, 374180), (10, 261926), (14, 187090), (20, 130963), (28, 93545), (35, 74836), (53, 49420), (70, 37418), (106, 24710), (140, 18709), (212, 12355), (265, 9884), (353, 7420), (371, 7060), (530, 4942), (706, 3710), (742, 3530), (1060, 2471), (1412, 1855), (1484, 1765)]