1288892380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{3889}}^1$

素因数の和:4198

約数の個数: 48

約数和(自身を含む): 2756547360

約数和(自身を除く): 1467654980

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 227, 292, 365, 454, 730, 908, 1135, 1460, 2270, 3889, 4540, 7778, 15556, 16571, 19445, 33142, 38890, 66284, 77780, 82855, 165710, 283897, 331420, 567794, 882803, 1135588, 1419485, 1765606, 2838970, 3531212, 4414015, 5677940, 8828030, 17656060, 64444619, 128889238, 257778476, 322223095, 644446190, 1288892380]

約数ペア:

[(1, 1288892380), (2, 644446190), (4, 322223095), (5, 257778476), (10, 128889238), (20, 64444619), (73, 17656060), (146, 8828030), (227, 5677940), (292, 4414015), (365, 3531212), (454, 2838970), (730, 1765606), (908, 1419485), (1135, 1135588), (1460, 882803), (2270, 567794), (3889, 331420), (4540, 283897), (7778, 165710), (15556, 82855), (16571, 77780), (19445, 66284), (33142, 38890)]