274380860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{7703}}^1$

素因数の和:7862

約数の個数: 48

約数和(自身を含む): 625133376

約数和(自身を除く): 350752516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2740, 3562, 7124, 7703, 8905, 15406, 17810, 30812, 35620, 38515, 77030, 100139, 154060, 200278, 400556, 500695, 1001390, 1055311, 2002780, 2110622, 4221244, 5276555, 10553110, 13719043, 21106220, 27438086, 54876172, 68595215, 137190430, 274380860]

約数ペア:

[(1, 274380860), (2, 137190430), (4, 68595215), (5, 54876172), (10, 27438086), (13, 21106220), (20, 13719043), (26, 10553110), (52, 5276555), (65, 4221244), (130, 2110622), (137, 2002780), (260, 1055311), (274, 1001390), (548, 500695), (685, 400556), (1370, 200278), (1781, 154060), (2740, 100139), (3562, 77030), (7124, 38515), (7703, 35620), (8905, 30812), (15406, 17810)]