2000551245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{733}}^1$

素因数の和:915

約数の個数: 128

約数和(自身を含む): 4261662720

約数和(自身を除く): 2261111475

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 105, 119, 139, 165, 187, 231, 255, 357, 385, 417, 561, 595, 695, 733, 935, 973, 1155, 1309, 1529, 1785, 2085, 2199, 2363, 2805, 2919, 3665, 3927, 4587, 4865, 5131, 6545, 7089, 7645, 8063, 10703, 10995, 11815, 12461, 14595, 15393, 16541, 19635, 22935, 24189, 25655, 25993, 32109, 35445, 37383, 40315, 49623, 53515, 56441, 62305, 76965, 77979, 82705, 87227, 101887, 120945, 129965, 137071, 160545, 169323, 181951, 186915, 248115, 261681, 282205, 305661, 389895, 411213, 436135, 509435, 545853, 685355, 713209, 846615, 909755, 959497, 1120757, 1308405, 1528305, 1732079, 2056065, 2139627, 2729265, 2878491, 3362271, 3566045, 4797485, 5196237, 5603785, 7845299, 8660395, 10698135, 12124553, 14392455, 16811355, 19052869, 23535897, 25981185, 36373659, 39226495, 57158607, 60622765, 95264345, 117679485, 133370083, 181868295, 285793035, 400110249, 666850415, 2000551245]

約数ペア:

[(1, 2000551245), (3, 666850415), (5, 400110249), (7, 285793035), (11, 181868295), (15, 133370083), (17, 117679485), (21, 95264345), (33, 60622765), (35, 57158607), (51, 39226495), (55, 36373659), (77, 25981185), (85, 23535897), (105, 19052869), (119, 16811355), (139, 14392455), (165, 12124553), (187, 10698135), (231, 8660395), (255, 7845299), (357, 5603785), (385, 5196237), (417, 4797485), (561, 3566045), (595, 3362271), (695, 2878491), (733, 2729265), (935, 2139627), (973, 2056065), (1155, 1732079), (1309, 1528305), (1529, 1308405), (1785, 1120757), (2085, 959497), (2199, 909755), (2363, 846615), (2805, 713209), (2919, 685355), (3665, 545853), (3927, 509435), (4587, 436135), (4865, 411213), (5131, 389895), (6545, 305661), (7089, 282205), (7645, 261681), (8063, 248115), (10703, 186915), (10995, 181951), (11815, 169323), (12461, 160545), (14595, 137071), (15393, 129965), (16541, 120945), (19635, 101887), (22935, 87227), (24189, 82705), (25655, 77979), (25993, 76965), (32109, 62305), (35445, 56441), (37383, 53515), (40315, 49623)]