1280453500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:512

約数の個数: 96

約数和(自身を含む): 2875279680

約数和(自身を除く): 1594826180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 211, 212, 229, 250, 265, 422, 458, 500, 530, 844, 916, 1055, 1060, 1145, 1325, 2110, 2290, 2650, 4220, 4580, 5275, 5300, 5725, 6625, 10550, 11183, 11450, 12137, 13250, 21100, 22366, 22900, 24274, 26375, 26500, 28625, 44732, 48319, 48548, 52750, 55915, 57250, 60685, 96638, 105500, 111830, 114500, 121370, 193276, 223660, 241595, 242740, 279575, 303425, 483190, 559150, 606850, 966380, 1118300, 1207975, 1213700, 1397875, 1517125, 2415950, 2560907, 2795750, 3034250, 4831900, 5121814, 5591500, 6039875, 6068500, 10243628, 12079750, 12804535, 24159500, 25609070, 51218140, 64022675, 128045350, 256090700, 320113375, 640226750, 1280453500]

約数ペア:

[(1, 1280453500), (2, 640226750), (4, 320113375), (5, 256090700), (10, 128045350), (20, 64022675), (25, 51218140), (50, 25609070), (53, 24159500), (100, 12804535), (106, 12079750), (125, 10243628), (211, 6068500), (212, 6039875), (229, 5591500), (250, 5121814), (265, 4831900), (422, 3034250), (458, 2795750), (500, 2560907), (530, 2415950), (844, 1517125), (916, 1397875), (1055, 1213700), (1060, 1207975), (1145, 1118300), (1325, 966380), (2110, 606850), (2290, 559150), (2650, 483190), (4220, 303425), (4580, 279575), (5275, 242740), (5300, 241595), (5725, 223660), (6625, 193276), (10550, 121370), (11183, 114500), (11450, 111830), (12137, 105500), (13250, 96638), (21100, 60685), (22366, 57250), (22900, 55915), (24274, 52750), (26375, 48548), (26500, 48319), (28625, 44732)]