7788019880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{60901}}^1$

素因数の和:61074

約数の個数: 64

約数和(自身を含む): 18416764800

約数和(自身を除く): 10628744920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 556, 695, 920, 1112, 1390, 2780, 3197, 5560, 6394, 12788, 15985, 25576, 31970, 60901, 63940, 121802, 127880, 243604, 304505, 487208, 609010, 1218020, 1400723, 2436040, 2801446, 5602892, 7003615, 8465239, 11205784, 14007230, 16930478, 28014460, 33860956, 42326195, 56028920, 67721912, 84652390, 169304780, 194700497, 338609560, 389400994, 778801988, 973502485, 1557603976, 1947004970, 3894009940, 7788019880]

約数ペア:

[(1, 7788019880), (2, 3894009940), (4, 1947004970), (5, 1557603976), (8, 973502485), (10, 778801988), (20, 389400994), (23, 338609560), (40, 194700497), (46, 169304780), (92, 84652390), (115, 67721912), (139, 56028920), (184, 42326195), (230, 33860956), (278, 28014460), (460, 16930478), (556, 14007230), (695, 11205784), (920, 8465239), (1112, 7003615), (1390, 5602892), (2780, 2801446), (3197, 2436040), (5560, 1400723), (6394, 1218020), (12788, 609010), (15985, 487208), (25576, 304505), (31970, 243604), (60901, 127880), (63940, 121802)]