218753620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{17389}}^1$

素因数の和:17452

約数の個数: 48

約数和(自身を含む): 499579920

約数和(自身を除く): 280826300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 6290, 12580, 17389, 34778, 69556, 86945, 173890, 295613, 347780, 591226, 643393, 1182452, 1286786, 1478065, 2573572, 2956130, 3216965, 5912260, 6433930, 10937681, 12867860, 21875362, 43750724, 54688405, 109376810, 218753620]

約数ペア:

[(1, 218753620), (2, 109376810), (4, 54688405), (5, 43750724), (10, 21875362), (17, 12867860), (20, 10937681), (34, 6433930), (37, 5912260), (68, 3216965), (74, 2956130), (85, 2573572), (148, 1478065), (170, 1286786), (185, 1182452), (340, 643393), (370, 591226), (629, 347780), (740, 295613), (1258, 173890), (2516, 86945), (3145, 69556), (6290, 34778), (12580, 17389)]