1988541590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{7867}}^1$

素因数の和:8061

約数の個数: 64

約数和(自身を含む): 4296305664

約数和(自身を除く): 2307764074

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 157, 161, 230, 314, 322, 785, 805, 1099, 1570, 1610, 2198, 3611, 5495, 7222, 7867, 10990, 15734, 18055, 25277, 36110, 39335, 50554, 55069, 78670, 110138, 126385, 180941, 252770, 275345, 361882, 550690, 904705, 1235119, 1266587, 1809410, 2470238, 2533174, 6175595, 6332935, 8645833, 12351190, 12665870, 17291666, 28407737, 43229165, 56815474, 86458330, 142038685, 198854159, 284077370, 397708318, 994270795, 1988541590]

約数ペア:

[(1, 1988541590), (2, 994270795), (5, 397708318), (7, 284077370), (10, 198854159), (14, 142038685), (23, 86458330), (35, 56815474), (46, 43229165), (70, 28407737), (115, 17291666), (157, 12665870), (161, 12351190), (230, 8645833), (314, 6332935), (322, 6175595), (785, 2533174), (805, 2470238), (1099, 1809410), (1570, 1266587), (1610, 1235119), (2198, 904705), (3611, 550690), (5495, 361882), (7222, 275345), (7867, 252770), (10990, 180941), (15734, 126385), (18055, 110138), (25277, 78670), (36110, 55069), (39335, 50554)]