1640376430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:495

約数の個数: 144

約数和(自身を含む): 3837198960

約数和(自身を除く): 2196822530

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 73, 77, 98, 110, 121, 146, 154, 242, 245, 365, 379, 385, 490, 511, 539, 605, 730, 758, 770, 803, 847, 1022, 1078, 1210, 1606, 1694, 1895, 2555, 2653, 2695, 3577, 3790, 4015, 4169, 4235, 5110, 5306, 5390, 5621, 5929, 7154, 8030, 8338, 8470, 8833, 11242, 11858, 13265, 17666, 17885, 18571, 20845, 26530, 27667, 28105, 29183, 29645, 35770, 37142, 39347, 41690, 44165, 45859, 55334, 56210, 58366, 59290, 61831, 78694, 88330, 91718, 92855, 123662, 138335, 145915, 185710, 193669, 196735, 204281, 229295, 276670, 291830, 304337, 309155, 321013, 387338, 393470, 408562, 432817, 458590, 608674, 618310, 642026, 865634, 968345, 1021405, 1355683, 1521685, 1605065, 1936690, 2042810, 2130359, 2164085, 2247091, 2711366, 3043370, 3210130, 3347707, 4260718, 4328170, 4494182, 6695414, 6778415, 10651795, 11235455, 13556830, 14912513, 16738535, 21303590, 22470910, 23433949, 29825026, 33477070, 46867898, 74562565, 117169745, 149125130, 164037643, 234339490, 328075286, 820188215, 1640376430]

約数ペア:

[(1, 1640376430), (2, 820188215), (5, 328075286), (7, 234339490), (10, 164037643), (11, 149125130), (14, 117169745), (22, 74562565), (35, 46867898), (49, 33477070), (55, 29825026), (70, 23433949), (73, 22470910), (77, 21303590), (98, 16738535), (110, 14912513), (121, 13556830), (146, 11235455), (154, 10651795), (242, 6778415), (245, 6695414), (365, 4494182), (379, 4328170), (385, 4260718), (490, 3347707), (511, 3210130), (539, 3043370), (605, 2711366), (730, 2247091), (758, 2164085), (770, 2130359), (803, 2042810), (847, 1936690), (1022, 1605065), (1078, 1521685), (1210, 1355683), (1606, 1021405), (1694, 968345), (1895, 865634), (2555, 642026), (2653, 618310), (2695, 608674), (3577, 458590), (3790, 432817), (4015, 408562), (4169, 393470), (4235, 387338), (5110, 321013), (5306, 309155), (5390, 304337), (5621, 291830), (5929, 276670), (7154, 229295), (8030, 204281), (8338, 196735), (8470, 193669), (8833, 185710), (11242, 145915), (11858, 138335), (13265, 123662), (17666, 92855), (17885, 91718), (18571, 88330), (20845, 78694), (26530, 61831), (27667, 59290), (28105, 58366), (29183, 56210), (29645, 55334), (35770, 45859), (37142, 44165), (39347, 41690)]