2018809520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277309}}^1$

素因数の和:277342

約数の個数: 80

約数和(自身を含む): 5776921920

約数和(自身を除く): 3758112400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 277309, 554618, 1109236, 1386545, 1941163, 2218472, 2773090, 3605017, 3882326, 4436944, 5546180, 7210034, 7764652, 9705815, 11092360, 14420068, 15529304, 18025085, 19411630, 22184720, 25235119, 28840136, 31058608, 36050170, 38823260, 50470238, 57680272, 72100340, 77646520, 100940476, 126175595, 144200680, 155293040, 201880952, 252351190, 288401360, 403761904, 504702380, 1009404760, 2018809520]

約数ペア:

[(1, 2018809520), (2, 1009404760), (4, 504702380), (5, 403761904), (7, 288401360), (8, 252351190), (10, 201880952), (13, 155293040), (14, 144200680), (16, 126175595), (20, 100940476), (26, 77646520), (28, 72100340), (35, 57680272), (40, 50470238), (52, 38823260), (56, 36050170), (65, 31058608), (70, 28840136), (80, 25235119), (91, 22184720), (104, 19411630), (112, 18025085), (130, 15529304), (140, 14420068), (182, 11092360), (208, 9705815), (260, 7764652), (280, 7210034), (364, 5546180), (455, 4436944), (520, 3882326), (560, 3605017), (728, 2773090), (910, 2218472), (1040, 1941163), (1456, 1386545), (1820, 1109236), (3640, 554618), (7280, 277309)]