28735750

素因数分解:

$2^1\times 5^3\times {\mathrm{137}}^1\times {\mathrm{839}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 54250560

約数和(自身を除く): 25514810

約数列:

[1, 2, 5, 10, 25, 50, 125, 137, 250, 274, 685, 839, 1370, 1678, 3425, 4195, 6850, 8390, 17125, 20975, 34250, 41950, 104875, 114943, 209750, 229886, 574715, 1149430, 2873575, 5747150, 14367875, 28735750]

約数ペア:

[(1, 28735750), (2, 14367875), (5, 5747150), (10, 2873575), (25, 1149430), (50, 574715), (125, 229886), (137, 209750), (250, 114943), (274, 104875), (685, 41950), (839, 34250), (1370, 20975), (1678, 17125), (3425, 8390), (4195, 6850)]