28217300

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2909}}^1$

素因数の和:3020

約数の個数: 36

約数和(自身を含む): 61884060

約数和(自身を除く): 33666760

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2425, 2909, 4850, 5818, 9700, 11636, 14545, 29090, 58180, 72725, 145450, 282173, 290900, 564346, 1128692, 1410865, 2821730, 5643460, 7054325, 14108650, 28217300]

約数ペア:

[(1, 28217300), (2, 14108650), (4, 7054325), (5, 5643460), (10, 2821730), (20, 1410865), (25, 1128692), (50, 564346), (97, 290900), (100, 282173), (194, 145450), (388, 72725), (485, 58180), (970, 29090), (1940, 14545), (2425, 11636), (2909, 9700), (4850, 5818)]