28461580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8839}}^1$

素因数の和:8878

約数の個数: 48

約数和(自身を含む): 71285760

約数和(自身を除く): 42824180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8839, 17678, 35356, 44195, 61873, 88390, 123746, 176780, 203297, 247492, 309365, 406594, 618730, 813188, 1016485, 1237460, 1423079, 2032970, 2846158, 4065940, 5692316, 7115395, 14230790, 28461580]

約数ペア:

[(1, 28461580), (2, 14230790), (4, 7115395), (5, 5692316), (7, 4065940), (10, 2846158), (14, 2032970), (20, 1423079), (23, 1237460), (28, 1016485), (35, 813188), (46, 618730), (70, 406594), (92, 309365), (115, 247492), (140, 203297), (161, 176780), (230, 123746), (322, 88390), (460, 61873), (644, 44195), (805, 35356), (1610, 17678), (3220, 8839)]