280727060000

素因数分解:

$2^5\times 5^4\times {\mathrm{211}}^1\times {\mathrm{66523}}^1$

素因数の和:66764

約数の個数: 120

約数和(自身を含む): 693914238864

約数和(自身を除く): 413187178864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 211, 250, 400, 422, 500, 625, 800, 844, 1000, 1055, 1250, 1688, 2000, 2110, 2500, 3376, 4000, 4220, 5000, 5275, 6752, 8440, 10000, 10550, 16880, 20000, 21100, 26375, 33760, 42200, 52750, 66523, 84400, 105500, 131875, 133046, 168800, 211000, 263750, 266092, 332615, 422000, 527500, 532184, 665230, 844000, 1055000, 1064368, 1330460, 1663075, 2110000, 2128736, 2660920, 3326150, 4220000, 5321840, 6652300, 8315375, 10643680, 13304600, 14036353, 16630750, 26609200, 28072706, 33261500, 41576875, 53218400, 56145412, 66523000, 70181765, 83153750, 112290824, 133046000, 140363530, 166307500, 224581648, 266092000, 280727060, 332615000, 350908825, 449163296, 561454120, 665230000, 701817650, 1122908240, 1330460000, 1403635300, 1754544125, 2245816480, 2807270600, 3509088250, 5614541200, 7018176500, 8772720625, 11229082400, 14036353000, 17545441250, 28072706000, 35090882500, 56145412000, 70181765000, 140363530000, 280727060000]

約数ペア:

[(1, 280727060000), (2, 140363530000), (4, 70181765000), (5, 56145412000), (8, 35090882500), (10, 28072706000), (16, 17545441250), (20, 14036353000), (25, 11229082400), (32, 8772720625), (40, 7018176500), (50, 5614541200), (80, 3509088250), (100, 2807270600), (125, 2245816480), (160, 1754544125), (200, 1403635300), (211, 1330460000), (250, 1122908240), (400, 701817650), (422, 665230000), (500, 561454120), (625, 449163296), (800, 350908825), (844, 332615000), (1000, 280727060), (1055, 266092000), (1250, 224581648), (1688, 166307500), (2000, 140363530), (2110, 133046000), (2500, 112290824), (3376, 83153750), (4000, 70181765), (4220, 66523000), (5000, 56145412), (5275, 53218400), (6752, 41576875), (8440, 33261500), (10000, 28072706), (10550, 26609200), (16880, 16630750), (20000, 14036353), (21100, 13304600), (26375, 10643680), (33760, 8315375), (42200, 6652300), (52750, 5321840), (66523, 4220000), (84400, 3326150), (105500, 2660920), (131875, 2128736), (133046, 2110000), (168800, 1663075), (211000, 1330460), (263750, 1064368), (266092, 1055000), (332615, 844000), (422000, 665230), (527500, 532184)]