259407820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1051}}^1$

素因数の和:1151

約数の個数: 96

約数和(自身を含む): 653216256

約数和(自身を除く): 393808436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 43, 70, 82, 86, 140, 164, 172, 205, 215, 287, 301, 410, 430, 574, 602, 820, 860, 1051, 1148, 1204, 1435, 1505, 1763, 2102, 2870, 3010, 3526, 4204, 5255, 5740, 6020, 7052, 7357, 8815, 10510, 12341, 14714, 17630, 21020, 24682, 29428, 35260, 36785, 43091, 45193, 49364, 61705, 73570, 86182, 90386, 123410, 147140, 172364, 180772, 215455, 225965, 246820, 301637, 316351, 430910, 451930, 603274, 632702, 861820, 903860, 1206548, 1265404, 1508185, 1581755, 1852913, 3016370, 3163510, 3705826, 6032740, 6327020, 7411652, 9264565, 12970391, 18529130, 25940782, 37058260, 51881564, 64851955, 129703910, 259407820]

約数ペア:

[(1, 259407820), (2, 129703910), (4, 64851955), (5, 51881564), (7, 37058260), (10, 25940782), (14, 18529130), (20, 12970391), (28, 9264565), (35, 7411652), (41, 6327020), (43, 6032740), (70, 3705826), (82, 3163510), (86, 3016370), (140, 1852913), (164, 1581755), (172, 1508185), (205, 1265404), (215, 1206548), (287, 903860), (301, 861820), (410, 632702), (430, 603274), (574, 451930), (602, 430910), (820, 316351), (860, 301637), (1051, 246820), (1148, 225965), (1204, 215455), (1435, 180772), (1505, 172364), (1763, 147140), (2102, 123410), (2870, 90386), (3010, 86182), (3526, 73570), (4204, 61705), (5255, 49364), (5740, 45193), (6020, 43091), (7052, 36785), (7357, 35260), (8815, 29428), (10510, 24682), (12341, 21020), (14714, 17630)]