1891000860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{17519}}^1$

素因数の和:17795

約数の個数: 96

約数和(自身を含む): 6075095040

約数和(自身を除く): 4184094180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 257, 420, 514, 771, 1028, 1285, 1542, 1799, 2570, 3084, 3598, 3855, 5140, 5397, 7196, 7710, 8995, 10794, 15420, 17519, 17990, 21588, 26985, 35038, 35980, 52557, 53970, 70076, 87595, 105114, 107940, 122633, 175190, 210228, 245266, 262785, 350380, 367899, 490532, 525570, 613165, 735798, 1051140, 1226330, 1471596, 1839495, 2452660, 3678990, 4502383, 7357980, 9004766, 13507149, 18009532, 22511915, 27014298, 31516681, 45023830, 54028596, 63033362, 67535745, 90047660, 94550043, 126066724, 135071490, 157583405, 189100086, 270142980, 315166810, 378200172, 472750215, 630333620, 945500430, 1891000860]

約数ペア:

[(1, 1891000860), (2, 945500430), (3, 630333620), (4, 472750215), (5, 378200172), (6, 315166810), (7, 270142980), (10, 189100086), (12, 157583405), (14, 135071490), (15, 126066724), (20, 94550043), (21, 90047660), (28, 67535745), (30, 63033362), (35, 54028596), (42, 45023830), (60, 31516681), (70, 27014298), (84, 22511915), (105, 18009532), (140, 13507149), (210, 9004766), (257, 7357980), (420, 4502383), (514, 3678990), (771, 2452660), (1028, 1839495), (1285, 1471596), (1542, 1226330), (1799, 1051140), (2570, 735798), (3084, 613165), (3598, 525570), (3855, 490532), (5140, 367899), (5397, 350380), (7196, 262785), (7710, 245266), (8995, 210228), (10794, 175190), (15420, 122633), (17519, 107940), (17990, 105114), (21588, 87595), (26985, 70076), (35038, 53970), (35980, 52557)]