98788900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{20161}}^1$

素因数の和:20189

約数の個数: 54

約数和(自身を含む): 249383778

約数和(自身を除く): 150594878

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 20161, 40322, 80644, 100805, 141127, 201610, 282254, 403220, 504025, 564508, 705635, 987889, 1008050, 1411270, 1975778, 2016100, 2822540, 3528175, 3951556, 4939445, 7056350, 9878890, 14112700, 19757780, 24697225, 49394450, 98788900]

約数ペア:

[(1, 98788900), (2, 49394450), (4, 24697225), (5, 19757780), (7, 14112700), (10, 9878890), (14, 7056350), (20, 4939445), (25, 3951556), (28, 3528175), (35, 2822540), (49, 2016100), (50, 1975778), (70, 1411270), (98, 1008050), (100, 987889), (140, 705635), (175, 564508), (196, 504025), (245, 403220), (350, 282254), (490, 201610), (700, 141127), (980, 100805), (1225, 80644), (2450, 40322), (4900, 20161)]