74408440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{769}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 174636000

約数和(自身を除く): 100227560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 59, 82, 118, 164, 205, 236, 295, 328, 410, 472, 590, 769, 820, 1180, 1538, 1640, 2360, 2419, 3076, 3845, 4838, 6152, 7690, 9676, 12095, 15380, 19352, 24190, 30760, 31529, 45371, 48380, 63058, 90742, 96760, 126116, 157645, 181484, 226855, 252232, 315290, 362968, 453710, 630580, 907420, 1261160, 1814840, 1860211, 3720422, 7440844, 9301055, 14881688, 18602110, 37204220, 74408440]

約数ペア:

[(1, 74408440), (2, 37204220), (4, 18602110), (5, 14881688), (8, 9301055), (10, 7440844), (20, 3720422), (40, 1860211), (41, 1814840), (59, 1261160), (82, 907420), (118, 630580), (164, 453710), (205, 362968), (236, 315290), (295, 252232), (328, 226855), (410, 181484), (472, 157645), (590, 126116), (769, 96760), (820, 90742), (1180, 63058), (1538, 48380), (1640, 45371), (2360, 31529), (2419, 30760), (3076, 24190), (3845, 19352), (4838, 15380), (6152, 12095), (7690, 9676)]