2017319780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{12763}}^1$

素因数の和:13908

約数の個数: 48

約数和(自身を含む): 4846235520

約数和(自身を除く): 2828915740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1129, 2258, 4516, 5645, 7903, 11290, 12763, 15806, 22580, 25526, 31612, 39515, 51052, 63815, 79030, 89341, 127630, 158060, 178682, 255260, 357364, 446705, 893410, 1786820, 14409427, 28818854, 57637708, 72047135, 100865989, 144094270, 201731978, 288188540, 403463956, 504329945, 1008659890, 2017319780]

約数ペア:

[(1, 2017319780), (2, 1008659890), (4, 504329945), (5, 403463956), (7, 288188540), (10, 201731978), (14, 144094270), (20, 100865989), (28, 72047135), (35, 57637708), (70, 28818854), (140, 14409427), (1129, 1786820), (2258, 893410), (4516, 446705), (5645, 357364), (7903, 255260), (11290, 178682), (12763, 158060), (15806, 127630), (22580, 89341), (25526, 79030), (31612, 63815), (39515, 51052)]