212070520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{38699}}^1$

素因数の和:38847

約数の個数: 32

約数和(自身を含む): 480654000

約数和(自身を除く): 268583480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 38699, 77398, 154796, 193495, 309592, 386990, 773980, 1547960, 5301763, 10603526, 21207052, 26508815, 42414104, 53017630, 106035260, 212070520]

約数ペア:

[(1, 212070520), (2, 106035260), (4, 53017630), (5, 42414104), (8, 26508815), (10, 21207052), (20, 10603526), (40, 5301763), (137, 1547960), (274, 773980), (548, 386990), (685, 309592), (1096, 193495), (1370, 154796), (2740, 77398), (5480, 38699)]