808578290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1543}}^1$

素因数の和:1731

約数の個数: 64

約数和(自身を含む): 1634169600

約数和(自身を除く): 825591310

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 139, 145, 278, 290, 377, 695, 754, 1390, 1543, 1807, 1885, 3086, 3614, 3770, 4031, 7715, 8062, 9035, 15430, 18070, 20059, 20155, 40118, 40310, 44747, 52403, 89494, 100295, 104806, 200590, 214477, 223735, 262015, 428954, 447470, 524030, 581711, 1072385, 1163422, 2144770, 2788201, 2908555, 5576402, 5817110, 6219833, 12439666, 13941005, 27882010, 31099165, 62198330, 80857829, 161715658, 404289145, 808578290]

約数ペア:

[(1, 808578290), (2, 404289145), (5, 161715658), (10, 80857829), (13, 62198330), (26, 31099165), (29, 27882010), (58, 13941005), (65, 12439666), (130, 6219833), (139, 5817110), (145, 5576402), (278, 2908555), (290, 2788201), (377, 2144770), (695, 1163422), (754, 1072385), (1390, 581711), (1543, 524030), (1807, 447470), (1885, 428954), (3086, 262015), (3614, 223735), (3770, 214477), (4031, 200590), (7715, 104806), (8062, 100295), (9035, 89494), (15430, 52403), (18070, 44747), (20059, 40310), (20155, 40118)]