217897130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{761}}^1$

素因数の和:935

約数の個数: 64

約数和(自身を含む): 454273920

約数和(自身を除く): 236376790

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 137, 190, 209, 274, 418, 685, 761, 1045, 1370, 1507, 1522, 2090, 2603, 3014, 3805, 5206, 7535, 7610, 8371, 13015, 14459, 15070, 16742, 26030, 28633, 28918, 41855, 57266, 72295, 83710, 104257, 143165, 144590, 159049, 208514, 286330, 318098, 521285, 795245, 1042570, 1146827, 1590490, 1980883, 2293654, 3961766, 5734135, 9904415, 11468270, 19808830, 21789713, 43579426, 108948565, 217897130]

約数ペア:

[(1, 217897130), (2, 108948565), (5, 43579426), (10, 21789713), (11, 19808830), (19, 11468270), (22, 9904415), (38, 5734135), (55, 3961766), (95, 2293654), (110, 1980883), (137, 1590490), (190, 1146827), (209, 1042570), (274, 795245), (418, 521285), (685, 318098), (761, 286330), (1045, 208514), (1370, 159049), (1507, 144590), (1522, 143165), (2090, 104257), (2603, 83710), (3014, 72295), (3805, 57266), (5206, 41855), (7535, 28918), (7610, 28633), (8371, 26030), (13015, 16742), (14459, 15070)]