401066980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{3257}}^1$

素因数の和:3444

約数の個数: 48

約数和(自身を含む): 866992896

約数和(自身を除く): 465925916

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 131, 188, 235, 262, 470, 524, 655, 940, 1310, 2620, 3257, 6157, 6514, 12314, 13028, 16285, 24628, 30785, 32570, 61570, 65140, 123140, 153079, 306158, 426667, 612316, 765395, 853334, 1530790, 1706668, 2133335, 3061580, 4266670, 8533340, 20053349, 40106698, 80213396, 100266745, 200533490, 401066980]

約数ペア:

[(1, 401066980), (2, 200533490), (4, 100266745), (5, 80213396), (10, 40106698), (20, 20053349), (47, 8533340), (94, 4266670), (131, 3061580), (188, 2133335), (235, 1706668), (262, 1530790), (470, 853334), (524, 765395), (655, 612316), (940, 426667), (1310, 306158), (2620, 153079), (3257, 123140), (6157, 65140), (6514, 61570), (12314, 32570), (13028, 30785), (16285, 24628)]