28653550

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 55442880

約数和(自身を除く): 26789330

約数列:

[1, 2, 5, 10, 25, 47, 50, 89, 94, 137, 178, 235, 274, 445, 470, 685, 890, 1175, 1370, 2225, 2350, 3425, 4183, 4450, 6439, 6850, 8366, 12193, 12878, 20915, 24386, 32195, 41830, 60965, 64390, 104575, 121930, 160975, 209150, 304825, 321950, 573071, 609650, 1146142, 2865355, 5730710, 14326775, 28653550]

約数ペア:

[(1, 28653550), (2, 14326775), (5, 5730710), (10, 2865355), (25, 1146142), (47, 609650), (50, 573071), (89, 321950), (94, 304825), (137, 209150), (178, 160975), (235, 121930), (274, 104575), (445, 64390), (470, 60965), (685, 41830), (890, 32195), (1175, 24386), (1370, 20915), (2225, 12878), (2350, 12193), (3425, 8366), (4183, 6850), (4450, 6439)]