251492800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:255

約数の個数: 168

約数和(自身を含む): 678612816

約数和(自身を除く): 427120016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 107, 113, 130, 160, 200, 208, 214, 226, 260, 320, 325, 400, 416, 428, 452, 520, 535, 565, 650, 800, 832, 856, 904, 1040, 1070, 1130, 1300, 1391, 1469, 1600, 1712, 1808, 2080, 2140, 2260, 2600, 2675, 2782, 2825, 2938, 3424, 3616, 4160, 4280, 4520, 5200, 5350, 5564, 5650, 5876, 6848, 6955, 7232, 7345, 8560, 9040, 10400, 10700, 11128, 11300, 11752, 12091, 13910, 14690, 17120, 18080, 20800, 21400, 22256, 22600, 23504, 24182, 27820, 29380, 34240, 34775, 36160, 36725, 42800, 44512, 45200, 47008, 48364, 55640, 58760, 60455, 69550, 73450, 85600, 89024, 90400, 94016, 96728, 111280, 117520, 120910, 139100, 146900, 157183, 171200, 180800, 193456, 222560, 235040, 241820, 278200, 293800, 302275, 314366, 386912, 445120, 470080, 483640, 556400, 587600, 604550, 628732, 773824, 785915, 967280, 1112800, 1175200, 1209100, 1257464, 1571830, 1934560, 2225600, 2350400, 2418200, 2514928, 3143660, 3869120, 3929575, 4836400, 5029856, 6287320, 7859150, 9672800, 10059712, 12574640, 15718300, 19345600, 25149280, 31436600, 50298560, 62873200, 125746400, 251492800]

約数ペア:

[(1, 251492800), (2, 125746400), (4, 62873200), (5, 50298560), (8, 31436600), (10, 25149280), (13, 19345600), (16, 15718300), (20, 12574640), (25, 10059712), (26, 9672800), (32, 7859150), (40, 6287320), (50, 5029856), (52, 4836400), (64, 3929575), (65, 3869120), (80, 3143660), (100, 2514928), (104, 2418200), (107, 2350400), (113, 2225600), (130, 1934560), (160, 1571830), (200, 1257464), (208, 1209100), (214, 1175200), (226, 1112800), (260, 967280), (320, 785915), (325, 773824), (400, 628732), (416, 604550), (428, 587600), (452, 556400), (520, 483640), (535, 470080), (565, 445120), (650, 386912), (800, 314366), (832, 302275), (856, 293800), (904, 278200), (1040, 241820), (1070, 235040), (1130, 222560), (1300, 193456), (1391, 180800), (1469, 171200), (1600, 157183), (1712, 146900), (1808, 139100), (2080, 120910), (2140, 117520), (2260, 111280), (2600, 96728), (2675, 94016), (2782, 90400), (2825, 89024), (2938, 85600), (3424, 73450), (3616, 69550), (4160, 60455), (4280, 58760), (4520, 55640), (5200, 48364), (5350, 47008), (5564, 45200), (5650, 44512), (5876, 42800), (6848, 36725), (6955, 36160), (7232, 34775), (7345, 34240), (8560, 29380), (9040, 27820), (10400, 24182), (10700, 23504), (11128, 22600), (11300, 22256), (11752, 21400), (12091, 20800), (13910, 18080), (14690, 17120)]