16992220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2477}}^1$

素因数の和:2507

約数の個数: 48

約数和(自身を含む): 41630400

約数和(自身を除く): 24638180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2477, 3430, 4954, 6860, 9908, 12385, 17339, 24770, 34678, 49540, 69356, 86695, 121373, 173390, 242746, 346780, 485492, 606865, 849611, 1213730, 1699222, 2427460, 3398444, 4248055, 8496110, 16992220]

約数ペア:

[(1, 16992220), (2, 8496110), (4, 4248055), (5, 3398444), (7, 2427460), (10, 1699222), (14, 1213730), (20, 849611), (28, 606865), (35, 485492), (49, 346780), (70, 242746), (98, 173390), (140, 121373), (196, 86695), (245, 69356), (343, 49540), (490, 34678), (686, 24770), (980, 17339), (1372, 12385), (1715, 9908), (2477, 6860), (3430, 4954)]