208760110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{739}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 422936640

約数和(自身を除く): 214176530

約数列:

[1, 2, 5, 10, 13, 26, 41, 53, 65, 82, 106, 130, 205, 265, 410, 530, 533, 689, 739, 1066, 1378, 1478, 2173, 2665, 3445, 3695, 4346, 5330, 6890, 7390, 9607, 10865, 19214, 21730, 28249, 30299, 39167, 48035, 56498, 60598, 78334, 96070, 141245, 151495, 195835, 282490, 302990, 391670, 393887, 509171, 787774, 1018342, 1605847, 1969435, 2545855, 3211694, 3938870, 5091710, 8029235, 16058470, 20876011, 41752022, 104380055, 208760110]

約数ペア:

[(1, 208760110), (2, 104380055), (5, 41752022), (10, 20876011), (13, 16058470), (26, 8029235), (41, 5091710), (53, 3938870), (65, 3211694), (82, 2545855), (106, 1969435), (130, 1605847), (205, 1018342), (265, 787774), (410, 509171), (530, 393887), (533, 391670), (689, 302990), (739, 282490), (1066, 195835), (1378, 151495), (1478, 141245), (2173, 96070), (2665, 78334), (3445, 60598), (3695, 56498), (4346, 48035), (5330, 39167), (6890, 30299), (7390, 28249), (9607, 21730), (10865, 19214)]