22870780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 51329376

約数和(自身を除く): 28458596

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 340, 491, 548, 685, 982, 1370, 1964, 2329, 2455, 2740, 4658, 4910, 8347, 9316, 9820, 11645, 16694, 23290, 33388, 41735, 46580, 67267, 83470, 134534, 166940, 269068, 336335, 672670, 1143539, 1345340, 2287078, 4574156, 5717695, 11435390, 22870780]

約数ペア:

[(1, 22870780), (2, 11435390), (4, 5717695), (5, 4574156), (10, 2287078), (17, 1345340), (20, 1143539), (34, 672670), (68, 336335), (85, 269068), (137, 166940), (170, 134534), (274, 83470), (340, 67267), (491, 46580), (548, 41735), (685, 33388), (982, 23290), (1370, 16694), (1964, 11645), (2329, 9820), (2455, 9316), (2740, 8347), (4658, 4910)]