2155365940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{169181}}^1$

素因数の和:169217

約数の個数: 72

約数和(自身を含む): 5670303912

約数和(自身を除く): 3514937972

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 169181, 338362, 676724, 845905, 1184267, 1691810, 2199353, 2368534, 3383620, 4398706, 4737068, 5921335, 8289869, 8797412, 10996765, 11842670, 15395471, 16579738, 21993530, 23685340, 30790942, 33159476, 41449345, 43987060, 61581884, 76977355, 82898690, 107768297, 153954710, 165797380, 215536594, 307909420, 431073188, 538841485, 1077682970, 2155365940]

約数ペア:

[(1, 2155365940), (2, 1077682970), (4, 538841485), (5, 431073188), (7, 307909420), (10, 215536594), (13, 165797380), (14, 153954710), (20, 107768297), (26, 82898690), (28, 76977355), (35, 61581884), (49, 43987060), (52, 41449345), (65, 33159476), (70, 30790942), (91, 23685340), (98, 21993530), (130, 16579738), (140, 15395471), (182, 11842670), (196, 10996765), (245, 8797412), (260, 8289869), (364, 5921335), (455, 4737068), (490, 4398706), (637, 3383620), (910, 2368534), (980, 2199353), (1274, 1691810), (1820, 1184267), (2548, 845905), (3185, 676724), (6370, 338362), (12740, 169181)]