2018651680

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1\times {\mathrm{353}}^1$

素因数の和:818

約数の個数: 96

約数和(自身を含む): 4842923904

約数和(自身を除く): 2824272224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 347, 353, 412, 515, 694, 706, 824, 1030, 1388, 1412, 1648, 1735, 1765, 2060, 2776, 2824, 3296, 3470, 3530, 4120, 5552, 5648, 6940, 7060, 8240, 11104, 11296, 13880, 14120, 16480, 27760, 28240, 35741, 36359, 55520, 56480, 71482, 72718, 122491, 142964, 145436, 178705, 181795, 244982, 285928, 290872, 357410, 363590, 489964, 571856, 581744, 612455, 714820, 727180, 979928, 1143712, 1163488, 1224910, 1429640, 1454360, 1959856, 2449820, 2859280, 2908720, 3919712, 4899640, 5718560, 5817440, 9799280, 12616573, 19598560, 25233146, 50466292, 63082865, 100932584, 126165730, 201865168, 252331460, 403730336, 504662920, 1009325840, 2018651680]

約数ペア:

[(1, 2018651680), (2, 1009325840), (4, 504662920), (5, 403730336), (8, 252331460), (10, 201865168), (16, 126165730), (20, 100932584), (32, 63082865), (40, 50466292), (80, 25233146), (103, 19598560), (160, 12616573), (206, 9799280), (347, 5817440), (353, 5718560), (412, 4899640), (515, 3919712), (694, 2908720), (706, 2859280), (824, 2449820), (1030, 1959856), (1388, 1454360), (1412, 1429640), (1648, 1224910), (1735, 1163488), (1765, 1143712), (2060, 979928), (2776, 727180), (2824, 714820), (3296, 612455), (3470, 581744), (3530, 571856), (4120, 489964), (5552, 363590), (5648, 357410), (6940, 290872), (7060, 285928), (8240, 244982), (11104, 181795), (11296, 178705), (13880, 145436), (14120, 142964), (16480, 122491), (27760, 72718), (28240, 71482), (35741, 56480), (36359, 55520)]