4205180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{613}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 10315200

約数和(自身を除く): 6110020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 613, 686, 980, 1226, 1372, 1715, 2452, 3065, 3430, 4291, 6130, 6860, 8582, 12260, 17164, 21455, 30037, 42910, 60074, 85820, 120148, 150185, 210259, 300370, 420518, 600740, 841036, 1051295, 2102590, 4205180]

約数ペア:

[(1, 4205180), (2, 2102590), (4, 1051295), (5, 841036), (7, 600740), (10, 420518), (14, 300370), (20, 210259), (28, 150185), (35, 120148), (49, 85820), (70, 60074), (98, 42910), (140, 30037), (196, 21455), (245, 17164), (343, 12260), (490, 8582), (613, 6860), (686, 6130), (980, 4291), (1226, 3430), (1372, 3065), (1715, 2452)]