2019505850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{2851}}^1$

素因数の和:3351

約数の個数: 48

約数和(自身を含む): 3887298816

約数和(自身を除く): 1867792966

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 457, 775, 914, 1550, 2285, 2851, 4570, 5702, 11425, 14167, 14255, 22850, 28334, 28510, 70835, 71275, 88381, 141670, 142550, 176762, 354175, 441905, 708350, 883810, 1302907, 2209525, 2605814, 4419050, 6514535, 13029070, 32572675, 40390117, 65145350, 80780234, 201950585, 403901170, 1009752925, 2019505850]

約数ペア:

[(1, 2019505850), (2, 1009752925), (5, 403901170), (10, 201950585), (25, 80780234), (31, 65145350), (50, 40390117), (62, 32572675), (155, 13029070), (310, 6514535), (457, 4419050), (775, 2605814), (914, 2209525), (1550, 1302907), (2285, 883810), (2851, 708350), (4570, 441905), (5702, 354175), (11425, 176762), (14167, 142550), (14255, 141670), (22850, 88381), (28334, 71275), (28510, 70835)]