2019490900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{367}}^1\times {\mathrm{1123}}^1$

素因数の和:1518

約数の個数: 108

約数和(自身を含む): 5116214208

約数和(自身を除く): 3096723308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 367, 490, 700, 734, 980, 1123, 1225, 1468, 1835, 2246, 2450, 2569, 3670, 4492, 4900, 5138, 5615, 7340, 7861, 9175, 10276, 11230, 12845, 15722, 17983, 18350, 22460, 25690, 28075, 31444, 35966, 36700, 39305, 51380, 55027, 56150, 64225, 71932, 78610, 89915, 110054, 112300, 128450, 157220, 179830, 196525, 220108, 256900, 275135, 359660, 393050, 412141, 449575, 550270, 786100, 824282, 899150, 1100540, 1375675, 1648564, 1798300, 2060705, 2751350, 2884987, 4121410, 5502700, 5769974, 8242820, 10303525, 11539948, 14424935, 20194909, 20607050, 28849870, 40389818, 41214100, 57699740, 72124675, 80779636, 100974545, 144249350, 201949090, 288498700, 403898180, 504872725, 1009745450, 2019490900]

約数ペア:

[(1, 2019490900), (2, 1009745450), (4, 504872725), (5, 403898180), (7, 288498700), (10, 201949090), (14, 144249350), (20, 100974545), (25, 80779636), (28, 72124675), (35, 57699740), (49, 41214100), (50, 40389818), (70, 28849870), (98, 20607050), (100, 20194909), (140, 14424935), (175, 11539948), (196, 10303525), (245, 8242820), (350, 5769974), (367, 5502700), (490, 4121410), (700, 2884987), (734, 2751350), (980, 2060705), (1123, 1798300), (1225, 1648564), (1468, 1375675), (1835, 1100540), (2246, 899150), (2450, 824282), (2569, 786100), (3670, 550270), (4492, 449575), (4900, 412141), (5138, 393050), (5615, 359660), (7340, 275135), (7861, 256900), (9175, 220108), (10276, 196525), (11230, 179830), (12845, 157220), (15722, 128450), (17983, 112300), (18350, 110054), (22460, 89915), (25690, 78610), (28075, 71932), (31444, 64225), (35966, 56150), (36700, 55027), (39305, 51380)]