101900990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 201277440

約数和(自身を除く): 99376450

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 103, 127, 190, 205, 206, 254, 410, 515, 635, 779, 1030, 1270, 1558, 1957, 2413, 3895, 3914, 4223, 4826, 5207, 7790, 8446, 9785, 10414, 12065, 13081, 19570, 21115, 24130, 26035, 26162, 42230, 52070, 65405, 80237, 98933, 130810, 160474, 197866, 248539, 401185, 494665, 497078, 536321, 802370, 989330, 1072642, 1242695, 2485390, 2681605, 5363210, 10190099, 20380198, 50950495, 101900990]

約数ペア:

[(1, 101900990), (2, 50950495), (5, 20380198), (10, 10190099), (19, 5363210), (38, 2681605), (41, 2485390), (82, 1242695), (95, 1072642), (103, 989330), (127, 802370), (190, 536321), (205, 497078), (206, 494665), (254, 401185), (410, 248539), (515, 197866), (635, 160474), (779, 130810), (1030, 98933), (1270, 80237), (1558, 65405), (1957, 52070), (2413, 42230), (3895, 26162), (3914, 26035), (4223, 24130), (4826, 21115), (5207, 19570), (7790, 13081), (8446, 12065), (9785, 10414)]