20190699980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1\times {\mathrm{4649}}^1$

素因数の和:5727

約数の個数: 96

約数和(自身を含む): 48746880000

約数和(自身を除く): 28556180020

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1039, 1045, 2078, 2090, 4156, 4180, 4649, 5195, 9298, 10390, 11429, 18596, 19741, 20780, 22858, 23245, 39482, 45716, 46490, 51139, 57145, 78964, 88331, 92980, 98705, 102278, 114290, 176662, 197410, 204556, 217151, 228580, 255695, 353324, 394820, 434302, 441655, 511390, 868604, 883310, 971641, 1022780, 1085755, 1766620, 1943282, 2171510, 3886564, 4343020, 4830311, 4858205, 9660622, 9716410, 19321244, 19432820, 24151555, 48303110, 53133421, 91775909, 96606220, 106266842, 183551818, 212533684, 265667105, 367103636, 458879545, 531334210, 917759090, 1009534999, 1062668420, 1835518180, 2019069998, 4038139996, 5047674995, 10095349990, 20190699980]

約数ペア:

[(1, 20190699980), (2, 10095349990), (4, 5047674995), (5, 4038139996), (10, 2019069998), (11, 1835518180), (19, 1062668420), (20, 1009534999), (22, 917759090), (38, 531334210), (44, 458879545), (55, 367103636), (76, 265667105), (95, 212533684), (110, 183551818), (190, 106266842), (209, 96606220), (220, 91775909), (380, 53133421), (418, 48303110), (836, 24151555), (1039, 19432820), (1045, 19321244), (2078, 9716410), (2090, 9660622), (4156, 4858205), (4180, 4830311), (4649, 4343020), (5195, 3886564), (9298, 2171510), (10390, 1943282), (11429, 1766620), (18596, 1085755), (19741, 1022780), (20780, 971641), (22858, 883310), (23245, 868604), (39482, 511390), (45716, 441655), (46490, 434302), (51139, 394820), (57145, 353324), (78964, 255695), (88331, 228580), (92980, 217151), (98705, 204556), (102278, 197410), (114290, 176662)]