279829903280

素因数分解:

$2^4\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{1869521}}^1$

素因数の和:1871405

約数の個数: 40

約数和(自身を含む): 650952604224

約数和(自身を除く): 371122700944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1871, 3742, 7484, 9355, 14968, 18710, 29936, 37420, 74840, 149680, 1869521, 3739042, 7478084, 9347605, 14956168, 18695210, 29912336, 37390420, 74780840, 149561680, 3497873791, 6995747582, 13991495164, 17489368955, 27982990328, 34978737910, 55965980656, 69957475820, 139914951640, 279829903280]

約数ペア:

[(1, 279829903280), (2, 139914951640), (4, 69957475820), (5, 55965980656), (8, 34978737910), (10, 27982990328), (16, 17489368955), (20, 13991495164), (40, 6995747582), (80, 3497873791), (1871, 149561680), (3742, 74780840), (7484, 37390420), (9355, 29912336), (14968, 18695210), (18710, 14956168), (29936, 9347605), (37420, 7478084), (74840, 3739042), (149680, 1869521)]