2019221890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{433}}^1$

素因数の和:792

約数の個数: 96

約数和(自身を含む): 4388719104

約数和(自身を除く): 2369497214

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 307, 310, 433, 434, 490, 614, 866, 1085, 1519, 1535, 2149, 2165, 2170, 3031, 3038, 3070, 4298, 4330, 6062, 7595, 9517, 10745, 13423, 15043, 15155, 15190, 19034, 21217, 21490, 26846, 30086, 30310, 42434, 47585, 66619, 67115, 75215, 93961, 95170, 106085, 132931, 133238, 134230, 150430, 187922, 212170, 265862, 333095, 466333, 469805, 657727, 664655, 666190, 930517, 932666, 939610, 1315454, 1329310, 1861034, 2331665, 3288635, 4120861, 4652585, 4663330, 6513619, 6577270, 8241722, 9305170, 13027238, 20604305, 28846027, 32568095, 41208610, 57692054, 65136190, 144230135, 201922189, 288460270, 403844378, 1009610945, 2019221890]

約数ペア:

[(1, 2019221890), (2, 1009610945), (5, 403844378), (7, 288460270), (10, 201922189), (14, 144230135), (31, 65136190), (35, 57692054), (49, 41208610), (62, 32568095), (70, 28846027), (98, 20604305), (155, 13027238), (217, 9305170), (245, 8241722), (307, 6577270), (310, 6513619), (433, 4663330), (434, 4652585), (490, 4120861), (614, 3288635), (866, 2331665), (1085, 1861034), (1519, 1329310), (1535, 1315454), (2149, 939610), (2165, 932666), (2170, 930517), (3031, 666190), (3038, 664655), (3070, 657727), (4298, 469805), (4330, 466333), (6062, 333095), (7595, 265862), (9517, 212170), (10745, 187922), (13423, 150430), (15043, 134230), (15155, 133238), (15190, 132931), (19034, 106085), (21217, 95170), (21490, 93961), (26846, 75215), (30086, 67115), (30310, 66619), (42434, 47585)]