266519800

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{137}}^2$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 633006360

約数和(自身を除く): 366486560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 137, 142, 200, 274, 284, 355, 548, 568, 685, 710, 1096, 1370, 1420, 1775, 2740, 2840, 3425, 3550, 5480, 6850, 7100, 9727, 13700, 14200, 18769, 19454, 27400, 37538, 38908, 48635, 75076, 77816, 93845, 97270, 150152, 187690, 194540, 243175, 375380, 389080, 469225, 486350, 750760, 938450, 972700, 1332599, 1876900, 1945400, 2665198, 3753800, 5330396, 6662995, 10660792, 13325990, 26651980, 33314975, 53303960, 66629950, 133259900, 266519800]

約数ペア:

[(1, 266519800), (2, 133259900), (4, 66629950), (5, 53303960), (8, 33314975), (10, 26651980), (20, 13325990), (25, 10660792), (40, 6662995), (50, 5330396), (71, 3753800), (100, 2665198), (137, 1945400), (142, 1876900), (200, 1332599), (274, 972700), (284, 938450), (355, 750760), (548, 486350), (568, 469225), (685, 389080), (710, 375380), (1096, 243175), (1370, 194540), (1420, 187690), (1775, 150152), (2740, 97270), (2840, 93845), (3425, 77816), (3550, 75076), (5480, 48635), (6850, 38908), (7100, 37538), (9727, 27400), (13700, 19454), (14200, 18769)]