518384860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127681}}^1$

素因数の和:127726

約数の個数: 48

約数和(自身を含む): 1287034560

約数和(自身を除く): 768649700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 127681, 255362, 510724, 638405, 893767, 1276810, 1787534, 2553620, 3575068, 3702749, 4468835, 7405498, 8937670, 14810996, 17875340, 18513745, 25919243, 37027490, 51838486, 74054980, 103676972, 129596215, 259192430, 518384860]

約数ペア:

[(1, 518384860), (2, 259192430), (4, 129596215), (5, 103676972), (7, 74054980), (10, 51838486), (14, 37027490), (20, 25919243), (28, 18513745), (29, 17875340), (35, 14810996), (58, 8937670), (70, 7405498), (116, 4468835), (140, 3702749), (145, 3575068), (203, 2553620), (290, 1787534), (406, 1276810), (580, 893767), (812, 638405), (1015, 510724), (2030, 255362), (4060, 127681)]