389780480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{76129}}^1$

素因数の和:76154

約数の個数: 44

約数和(自身を含む): 935028660

約数和(自身を除く): 545248180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 76129, 152258, 304516, 380645, 609032, 761290, 1218064, 1522580, 2436128, 3045160, 4872256, 6090320, 9744512, 12180640, 19489024, 24361280, 38978048, 48722560, 77956096, 97445120, 194890240, 389780480]

約数ペア:

[(1, 389780480), (2, 194890240), (4, 97445120), (5, 77956096), (8, 48722560), (10, 38978048), (16, 24361280), (20, 19489024), (32, 12180640), (40, 9744512), (64, 6090320), (80, 4872256), (128, 3045160), (160, 2436128), (256, 1522580), (320, 1218064), (512, 761290), (640, 609032), (1024, 380645), (1280, 304516), (2560, 152258), (5120, 76129)]