201747920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3229}}^1$

素因数の和:3324

約数の個数: 80

約数和(自身を含む): 519073920

約数和(自身を除く): 317326000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1136, 1420, 1562, 2840, 3124, 3229, 3905, 5680, 6248, 6458, 7810, 12496, 12916, 15620, 16145, 25832, 31240, 32290, 35519, 51664, 62480, 64580, 71038, 129160, 142076, 177595, 229259, 258320, 284152, 355190, 458518, 568304, 710380, 917036, 1146295, 1420760, 1834072, 2292590, 2521849, 2841520, 3668144, 4585180, 5043698, 9170360, 10087396, 12609245, 18340720, 20174792, 25218490, 40349584, 50436980, 100873960, 201747920]

約数ペア:

[(1, 201747920), (2, 100873960), (4, 50436980), (5, 40349584), (8, 25218490), (10, 20174792), (11, 18340720), (16, 12609245), (20, 10087396), (22, 9170360), (40, 5043698), (44, 4585180), (55, 3668144), (71, 2841520), (80, 2521849), (88, 2292590), (110, 1834072), (142, 1420760), (176, 1146295), (220, 917036), (284, 710380), (355, 568304), (440, 458518), (568, 355190), (710, 284152), (781, 258320), (880, 229259), (1136, 177595), (1420, 142076), (1562, 129160), (2840, 71038), (3124, 64580), (3229, 62480), (3905, 51664), (5680, 35519), (6248, 32290), (6458, 31240), (7810, 25832), (12496, 16145), (12916, 15620)]