17887558540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{91291}}^1$

素因数の和:91498

約数の個数: 48

約数和(自身を含む): 38327302944

約数和(自身を除く): 20439744404

約数列:

[1, 2, 4, 5, 10, 20, 97, 101, 194, 202, 388, 404, 485, 505, 970, 1010, 1940, 2020, 9797, 19594, 39188, 48985, 91291, 97970, 182582, 195940, 365164, 456455, 912910, 1825820, 8855227, 9220391, 17710454, 18440782, 35420908, 36881564, 44276135, 46101955, 88552270, 92203910, 177104540, 184407820, 894377927, 1788755854, 3577511708, 4471889635, 8943779270, 17887558540]

約数ペア:

[(1, 17887558540), (2, 8943779270), (4, 4471889635), (5, 3577511708), (10, 1788755854), (20, 894377927), (97, 184407820), (101, 177104540), (194, 92203910), (202, 88552270), (388, 46101955), (404, 44276135), (485, 36881564), (505, 35420908), (970, 18440782), (1010, 17710454), (1940, 9220391), (2020, 8855227), (9797, 1825820), (19594, 912910), (39188, 456455), (48985, 365164), (91291, 195940), (97970, 182582)]