1811385940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{10937}}^1$

素因数の和:10986

約数の個数: 108

約数和(自身を含む): 4791959676

約数和(自身を除く): 2980573736

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 169, 182, 196, 245, 260, 338, 364, 455, 490, 637, 676, 845, 910, 980, 1183, 1274, 1690, 1820, 2366, 2548, 3185, 3380, 4732, 5915, 6370, 8281, 10937, 11830, 12740, 16562, 21874, 23660, 33124, 41405, 43748, 54685, 76559, 82810, 109370, 142181, 153118, 165620, 218740, 284362, 306236, 382795, 535913, 568724, 710905, 765590, 995267, 1071826, 1421810, 1531180, 1848353, 1990534, 2143652, 2679565, 2843620, 3696706, 3981068, 4976335, 5359130, 6966869, 7393412, 9241765, 9952670, 10718260, 12938471, 13933738, 18483530, 19905340, 25876942, 27867476, 34834345, 36967060, 51753884, 64692355, 69668690, 90569297, 129384710, 139337380, 181138594, 258769420, 362277188, 452846485, 905692970, 1811385940]

約数ペア:

[(1, 1811385940), (2, 905692970), (4, 452846485), (5, 362277188), (7, 258769420), (10, 181138594), (13, 139337380), (14, 129384710), (20, 90569297), (26, 69668690), (28, 64692355), (35, 51753884), (49, 36967060), (52, 34834345), (65, 27867476), (70, 25876942), (91, 19905340), (98, 18483530), (130, 13933738), (140, 12938471), (169, 10718260), (182, 9952670), (196, 9241765), (245, 7393412), (260, 6966869), (338, 5359130), (364, 4976335), (455, 3981068), (490, 3696706), (637, 2843620), (676, 2679565), (845, 2143652), (910, 1990534), (980, 1848353), (1183, 1531180), (1274, 1421810), (1690, 1071826), (1820, 995267), (2366, 765590), (2548, 710905), (3185, 568724), (3380, 535913), (4732, 382795), (5915, 306236), (6370, 284362), (8281, 218740), (10937, 165620), (11830, 153118), (12740, 142181), (16562, 109370), (21874, 82810), (23660, 76559), (33124, 54685), (41405, 43748)]