2009454100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{648211}}^1$

素因数の和:648256

約数の個数: 36

約数和(自身を含む): 4501184128

約数和(自身を除く): 2491730028

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 648211, 1296422, 2592844, 3241055, 6482110, 12964220, 16205275, 20094541, 32410550, 40189082, 64821100, 80378164, 100472705, 200945410, 401890820, 502363525, 1004727050, 2009454100]

約数ペア:

[(1, 2009454100), (2, 1004727050), (4, 502363525), (5, 401890820), (10, 200945410), (20, 100472705), (25, 80378164), (31, 64821100), (50, 40189082), (62, 32410550), (100, 20094541), (124, 16205275), (155, 12964220), (310, 6482110), (620, 3241055), (775, 2592844), (1550, 1296422), (3100, 648211)]