2000261515

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 2955755520

約数和(自身を除く): 955494005

約数列:

[1, 5, 7, 29, 31, 35, 145, 151, 155, 203, 217, 421, 755, 899, 1015, 1057, 1085, 2105, 2947, 4379, 4495, 4681, 5285, 6293, 12209, 13051, 14735, 21895, 23405, 30653, 31465, 32767, 61045, 63571, 65255, 85463, 91357, 135749, 153265, 163835, 317855, 378479, 427315, 444997, 456785, 678745, 950243, 1843559, 1892395, 1970701, 2224985, 2649353, 4751215, 9217795, 9853505, 12904913, 13246765, 13794907, 57150329, 64524565, 68974535, 285751645, 400052303, 2000261515]

約数ペア:

[(1, 2000261515), (5, 400052303), (7, 285751645), (29, 68974535), (31, 64524565), (35, 57150329), (145, 13794907), (151, 13246765), (155, 12904913), (203, 9853505), (217, 9217795), (421, 4751215), (755, 2649353), (899, 2224985), (1015, 1970701), (1057, 1892395), (1085, 1843559), (2105, 950243), (2947, 678745), (4379, 456785), (4495, 444997), (4681, 427315), (5285, 378479), (6293, 317855), (12209, 163835), (13051, 153265), (14735, 135749), (21895, 91357), (23405, 85463), (30653, 65255), (31465, 63571), (32767, 61045)]