138409480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{28597}}^1$

素因数の和:28630

約数の個数: 48

約数和(自身を含む): 342318060

約数和(自身を除く): 203908580

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 28597, 57194, 114388, 142985, 228776, 285970, 314567, 571940, 629134, 1143880, 1258268, 1572835, 2516536, 3145670, 3460237, 6291340, 6920474, 12582680, 13840948, 17301185, 27681896, 34602370, 69204740, 138409480]

約数ペア:

[(1, 138409480), (2, 69204740), (4, 34602370), (5, 27681896), (8, 17301185), (10, 13840948), (11, 12582680), (20, 6920474), (22, 6291340), (40, 3460237), (44, 3145670), (55, 2516536), (88, 1572835), (110, 1258268), (121, 1143880), (220, 629134), (242, 571940), (440, 314567), (484, 285970), (605, 228776), (968, 142985), (1210, 114388), (2420, 57194), (4840, 28597)]