8759780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 19474560

約数和(自身を除く): 10714780

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 139, 230, 274, 278, 460, 548, 556, 685, 695, 1370, 1390, 2740, 2780, 3151, 3197, 6302, 6394, 12604, 12788, 15755, 15985, 19043, 31510, 31970, 38086, 63020, 63940, 76172, 95215, 190430, 380860, 437989, 875978, 1751956, 2189945, 4379890, 8759780]

約数ペア:

[(1, 8759780), (2, 4379890), (4, 2189945), (5, 1751956), (10, 875978), (20, 437989), (23, 380860), (46, 190430), (92, 95215), (115, 76172), (137, 63940), (139, 63020), (230, 38086), (274, 31970), (278, 31510), (460, 19043), (548, 15985), (556, 15755), (685, 12788), (695, 12604), (1370, 6394), (1390, 6302), (2740, 3197), (2780, 3151)]