27786170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 54315360

約数和(自身を除く): 26529190

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 179, 190, 215, 358, 361, 430, 722, 817, 895, 1634, 1790, 1805, 3401, 3610, 4085, 6802, 7697, 8170, 15394, 15523, 17005, 31046, 34010, 38485, 64619, 76970, 77615, 129238, 146243, 155230, 292486, 323095, 646190, 731215, 1462430, 2778617, 5557234, 13893085, 27786170]

約数ペア:

[(1, 27786170), (2, 13893085), (5, 5557234), (10, 2778617), (19, 1462430), (38, 731215), (43, 646190), (86, 323095), (95, 292486), (179, 155230), (190, 146243), (215, 129238), (358, 77615), (361, 76970), (430, 64619), (722, 38485), (817, 34010), (895, 31046), (1634, 17005), (1790, 15523), (1805, 15394), (3401, 8170), (3610, 7697), (4085, 6802)]