268278220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{18973}}^1$

素因数の和:19090

約数の個数: 48

約数和(自身を含む): 650276928

約数和(自身を除く): 381998708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 14140, 18973, 37946, 75892, 94865, 132811, 189730, 265622, 379460, 531244, 664055, 1328110, 1916273, 2656220, 3832546, 7665092, 9581365, 13413911, 19162730, 26827822, 38325460, 53655644, 67069555, 134139110, 268278220]

約数ペア:

[(1, 268278220), (2, 134139110), (4, 67069555), (5, 53655644), (7, 38325460), (10, 26827822), (14, 19162730), (20, 13413911), (28, 9581365), (35, 7665092), (70, 3832546), (101, 2656220), (140, 1916273), (202, 1328110), (404, 664055), (505, 531244), (707, 379460), (1010, 265622), (1414, 189730), (2020, 132811), (2828, 94865), (3535, 75892), (7070, 37946), (14140, 18973)]