142450420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21649}}^1$

素因数の和:21712

約数の個数: 48

約数和(自身を含む): 349171200

約数和(自身を除く): 206720780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 21649, 43298, 86596, 108245, 151543, 216490, 303086, 432980, 606172, 757715, 1017503, 1515430, 2035006, 3030860, 4070012, 5087515, 7122521, 10175030, 14245042, 20350060, 28490084, 35612605, 71225210, 142450420]

約数ペア:

[(1, 142450420), (2, 71225210), (4, 35612605), (5, 28490084), (7, 20350060), (10, 14245042), (14, 10175030), (20, 7122521), (28, 5087515), (35, 4070012), (47, 3030860), (70, 2035006), (94, 1515430), (140, 1017503), (188, 757715), (235, 606172), (329, 432980), (470, 303086), (658, 216490), (940, 151543), (1316, 108245), (1645, 86596), (3290, 43298), (6580, 21649)]