263480930140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{2561549}}^1$

素因数の和:2561734

約数の個数: 48

約数和(自身を含む): 572352732000

約数和(自身を除く): 308871801860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 139, 148, 185, 278, 370, 556, 695, 740, 1390, 2780, 5143, 10286, 20572, 25715, 51430, 102860, 2561549, 5123098, 10246196, 12807745, 25615490, 51230980, 94777313, 189554626, 356055311, 379109252, 473886565, 712110622, 947773130, 1424221244, 1780276555, 1895546260, 3560553110, 7121106220, 13174046507, 26348093014, 52696186028, 65870232535, 131740465070, 263480930140]

約数ペア:

[(1, 263480930140), (2, 131740465070), (4, 65870232535), (5, 52696186028), (10, 26348093014), (20, 13174046507), (37, 7121106220), (74, 3560553110), (139, 1895546260), (148, 1780276555), (185, 1424221244), (278, 947773130), (370, 712110622), (556, 473886565), (695, 379109252), (740, 356055311), (1390, 189554626), (2780, 94777313), (5143, 51230980), (10286, 25615490), (20572, 12807745), (25715, 10246196), (51430, 5123098), (102860, 2561549)]