289487060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{6661}}^1$

素因数の和:6764

約数の個数: 48

約数和(自身を含む): 634595472

約数和(自身を除く): 345108412

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 1060, 2173, 4346, 6661, 8692, 10865, 13322, 21730, 26644, 33305, 43460, 66610, 133220, 273101, 353033, 546202, 706066, 1092404, 1365505, 1412132, 1765165, 2731010, 3530330, 5462020, 7060660, 14474353, 28948706, 57897412, 72371765, 144743530, 289487060]

約数ペア:

[(1, 289487060), (2, 144743530), (4, 72371765), (5, 57897412), (10, 28948706), (20, 14474353), (41, 7060660), (53, 5462020), (82, 3530330), (106, 2731010), (164, 1765165), (205, 1412132), (212, 1365505), (265, 1092404), (410, 706066), (530, 546202), (820, 353033), (1060, 273101), (2173, 133220), (4346, 66610), (6661, 43460), (8692, 33305), (10865, 26644), (13322, 21730)]