136777780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{727}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 300867840

約数和(自身を除く): 164090060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 409, 460, 727, 818, 1454, 1636, 2045, 2908, 3635, 4090, 7270, 8180, 9407, 14540, 16721, 18814, 33442, 37628, 47035, 66884, 83605, 94070, 167210, 188140, 297343, 334420, 594686, 1189372, 1486715, 2973430, 5946860, 6838889, 13677778, 27355556, 34194445, 68388890, 136777780]

約数ペア:

[(1, 136777780), (2, 68388890), (4, 34194445), (5, 27355556), (10, 13677778), (20, 6838889), (23, 5946860), (46, 2973430), (92, 1486715), (115, 1189372), (230, 594686), (409, 334420), (460, 297343), (727, 188140), (818, 167210), (1454, 94070), (1636, 83605), (2045, 66884), (2908, 47035), (3635, 37628), (4090, 33442), (7270, 18814), (8180, 16721), (9407, 14540)]