2912882780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2003}}^1$

素因数の和:2163

約数の個数: 96

約数和(自身を含む): 6666105600

約数和(自身を除く): 3753222820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 89, 95, 172, 178, 190, 215, 356, 380, 430, 445, 817, 860, 890, 1634, 1691, 1780, 2003, 3268, 3382, 3827, 4006, 4085, 6764, 7654, 8012, 8170, 8455, 10015, 15308, 16340, 16910, 19135, 20030, 33820, 38057, 38270, 40060, 72713, 76114, 76540, 86129, 145426, 152228, 172258, 178267, 190285, 290852, 344516, 356534, 363565, 380570, 430645, 713068, 727130, 761140, 861290, 891335, 1454260, 1636451, 1722580, 1782670, 3272902, 3387073, 3565340, 6545804, 6774146, 7665481, 8182255, 13548292, 15330962, 16364510, 16935365, 30661924, 32729020, 33870730, 38327405, 67741460, 76654810, 145644139, 153309620, 291288278, 582576556, 728220695, 1456441390, 2912882780]

約数ペア:

[(1, 2912882780), (2, 1456441390), (4, 728220695), (5, 582576556), (10, 291288278), (19, 153309620), (20, 145644139), (38, 76654810), (43, 67741460), (76, 38327405), (86, 33870730), (89, 32729020), (95, 30661924), (172, 16935365), (178, 16364510), (190, 15330962), (215, 13548292), (356, 8182255), (380, 7665481), (430, 6774146), (445, 6545804), (817, 3565340), (860, 3387073), (890, 3272902), (1634, 1782670), (1691, 1722580), (1780, 1636451), (2003, 1454260), (3268, 891335), (3382, 861290), (3827, 761140), (4006, 727130), (4085, 713068), (6764, 430645), (7654, 380570), (8012, 363565), (8170, 356534), (8455, 344516), (10015, 290852), (15308, 190285), (16340, 178267), (16910, 172258), (19135, 152228), (20030, 145426), (33820, 86129), (38057, 76540), (38270, 76114), (40060, 72713)]