1871036780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1721}}^1\times {\mathrm{2861}}^1$

素因数の和:4610

約数の個数: 48

約数和(自身を含む): 4139825760

約数和(自身を除く): 2268788980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1721, 2861, 3442, 5722, 6884, 8605, 11444, 14305, 17210, 28610, 32699, 34420, 54359, 57220, 65398, 108718, 130796, 163495, 217436, 271795, 326990, 543590, 653980, 1087180, 4923781, 9847562, 19695124, 24618905, 49237810, 93551839, 98475620, 187103678, 374207356, 467759195, 935518390, 1871036780]

約数ペア:

[(1, 1871036780), (2, 935518390), (4, 467759195), (5, 374207356), (10, 187103678), (19, 98475620), (20, 93551839), (38, 49237810), (76, 24618905), (95, 19695124), (190, 9847562), (380, 4923781), (1721, 1087180), (2861, 653980), (3442, 543590), (5722, 326990), (6884, 271795), (8605, 217436), (11444, 163495), (14305, 130796), (17210, 108718), (28610, 65398), (32699, 57220), (34420, 54359)]