129259280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{307}}^1$

素因数の和:616

約数の個数: 80

約数和(自身を含む): 318521280

約数和(自身を除く): 189262000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 277, 304, 307, 380, 554, 614, 760, 1108, 1228, 1385, 1520, 1535, 2216, 2456, 2770, 3070, 4432, 4912, 5263, 5540, 5833, 6140, 10526, 11080, 11666, 12280, 21052, 22160, 23332, 24560, 26315, 29165, 42104, 46664, 52630, 58330, 84208, 85039, 93328, 105260, 116660, 170078, 210520, 233320, 340156, 421040, 425195, 466640, 680312, 850390, 1360624, 1615741, 1700780, 3231482, 3401560, 6462964, 6803120, 8078705, 12925928, 16157410, 25851856, 32314820, 64629640, 129259280]

約数ペア:

[(1, 129259280), (2, 64629640), (4, 32314820), (5, 25851856), (8, 16157410), (10, 12925928), (16, 8078705), (19, 6803120), (20, 6462964), (38, 3401560), (40, 3231482), (76, 1700780), (80, 1615741), (95, 1360624), (152, 850390), (190, 680312), (277, 466640), (304, 425195), (307, 421040), (380, 340156), (554, 233320), (614, 210520), (760, 170078), (1108, 116660), (1228, 105260), (1385, 93328), (1520, 85039), (1535, 84208), (2216, 58330), (2456, 52630), (2770, 46664), (3070, 42104), (4432, 29165), (4912, 26315), (5263, 24560), (5540, 23332), (5833, 22160), (6140, 21052), (10526, 12280), (11080, 11666)]