898640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:299

約数の個数: 40

約数和(自身を含む): 2142720

約数和(自身を除く): 1244080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 239, 376, 470, 478, 752, 940, 956, 1195, 1880, 1912, 2390, 3760, 3824, 4780, 9560, 11233, 19120, 22466, 44932, 56165, 89864, 112330, 179728, 224660, 449320, 898640]

約数ペア:

[(1, 898640), (2, 449320), (4, 224660), (5, 179728), (8, 112330), (10, 89864), (16, 56165), (20, 44932), (40, 22466), (47, 19120), (80, 11233), (94, 9560), (188, 4780), (235, 3824), (239, 3760), (376, 2390), (470, 1912), (478, 1880), (752, 1195), (940, 956)]