198381680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{354253}}^1$

素因数の和:354273

約数の個数: 40

約数和(自身を含む): 527129952

約数和(自身を除く): 328748272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 354253, 708506, 1417012, 1771265, 2479771, 2834024, 3542530, 4959542, 5668048, 7085060, 9919084, 12398855, 14170120, 19838168, 24797710, 28340240, 39676336, 49595420, 99190840, 198381680]

約数ペア:

[(1, 198381680), (2, 99190840), (4, 49595420), (5, 39676336), (7, 28340240), (8, 24797710), (10, 19838168), (14, 14170120), (16, 12398855), (20, 9919084), (28, 7085060), (35, 5668048), (40, 4959542), (56, 3542530), (70, 2834024), (80, 2479771), (112, 1771265), (140, 1417012), (280, 708506), (560, 354253)]